The possible range of values for the correlation coefficient is -1.0 to 1.0. The size of #r# indicates the strength of the correlation. b. Which of the following is/are part of descriptive statistics? In the Test of Significance area, select your desired significance test, two-tailed or one-tailed. A. r = 0.806 represents a stronger correlation because 0.806 greater than -0.923 B. r = -0.923 represents a stronger corre, When is it inappropriate to conduct a correlation analysis? So far we have visualized relationships between two quantitative variables using See my table below. The coefficient of correlation (r) is always between -1 and 1, with the strongest correlation being closest to -1 or 1. experimental effectd. With performance as evaluated by departmental faculty the correlation ranged from 0.35-0.42, time of degree completion ranged from -0.08-0.28, citation count ranged from 0.17-0.24, and degree attainment from 0.11 to 0.20. Know the meaning of high, moderate, low, positive, and negative correlation, and be able to recognize each from a graphs or verbal description of data. Which of the following is true about a p-value? Which of the following correlation coefficients (r) represent the strongest relationship? Among all , 0.65 is closest to 1. -0.61 C. -0.51 D. -0.41 Correct answer to the question Which of the following r-values represents the strongest correlation? Correlation (r): Correlation is a measurement to determine the linear relationship between two continuous variables. Feature Papers represent the most advanced research with significant potential for high impact in the field. As an example, lets go through the Prism tutorial on correlation matrix which contains an automotive dataset with Cost in USD, MPG, Horsepower, and Weight in Pounds as the variables. A zero-correlation coefficient indicates that there is no correlation between both variables. Strong Association but No Correlation: X: 25,35,45,55,65 Y: 10,30,50,30,10 a) Is the relationship between Y and X Weak or Strong? What would the correlation between their heights be? 0.30 c. 0.90 d. 0.92. community-public-health-research; 0 Answer. Using two pairs of emitters and detectors allows turning an incremental shaft. Based on the data created by the MD simulation, we train a convolutional neutral network (CNN) model to accurately predict the fracture strain for the graphene/h-BN interface. A correlation value r will always be between -1 and 1. What is the missing value in the table? a. All rights reserved. x P(x) -4 1/8 0 3/8 4 3/8 6 1/8 a. n b.) It helps by studying the variables at different points in time, adding the causal element. Which of the following correlation coefficients represents the strongest linear relationship? Which RR indicates the stronger association: 0.25 or 2? Question: Which Of The Following Correlation Values Represents The Strongest Linear Relationship Between Two Quantitative Variables? 1) -0.94 2) 0 3) 0.5 4) 0.91 15 Which value of r represents data with a strong Correct answers: 1 question: Which if the following r-values represent the strongest correlation a. sx = 1.355, sy = 15.300, b = -9.780 a. A positive correlation coefficient indicates that the value of one variable depends on the other . down.d. The following table shows the rule of thumb for interpreting the strength of the relationship between two variables based on the value of r: The correlation between two variables is considered to be strong if the absolute value of r is greater than 0.75. Which of the following is more affected by extreme scores? +.7 c. 0 d. +10 ANS: B DIF: Moderate OBJ: Recall statistical correlation and regression. The options has the r-values, we need to check which option represents the strong correlation. What is Zero-Order Correlation? Suppose men always married women who were exactly 8% shorter. 3. This correlation may be taken as evidence for the theory that a. aggressive children enjoy. A correlation coefficient between two variables is 0.50, and this correlation is statistically significant at p < 0.01. I. Using the given figure, which quarter has the largest spread of data? The strongest linear relationship is indicated by a correlation coefficient of -1 or 1. A) It is a line graph of a cumulative frequency or cumulative relative frequency distribution. - 0.25 b. Answer: The strongest relation between the two factors is B.) Hence we can conclude that the r-value option (D) -0.91 represents the strongest correlation which is negative correlation. The correlation coefficient may assume any value between a. a. r = 0.9453 These Scores Are Converted To Standard Normal Z-scores. (a) True (b) False. This paper has 2 sections: a. Select one: a. a) a weak linear relationship b) no linear relationship c) a perfect linear relationship d) a strong linear relationship, Which value of r indicates a stronger correlation r = 0 772 or r= - 0 872? B) It is impossible to get a correlation greater than 1. Possible values of the correlation coefficient range from -1 to +1, with -1 indicating a perfectly linear negative, i.e., inverse, correlation (sloping downward) and +1 indicating a perfectly linear positive correlation (sloping upward). 0.6 b. How to Calculate a P-Value from a T-Test By Hand. a) A correlation of -0.98 indicates a strong, negative association. What is the strength of the following correlation? A strong correlation does not mean a cause-and-effect relationship. a. r = - 0.872 represents a stronger correlation because | - 0 872. Pearsons correlationis acorrelation coefficientcommonly used inlinear regression. Correlation with graduate GPA ranged from 0.34-0.36. A negative correlation means that if one variable gets bigger, the other variable tends to get smaller. What is the relationship between the number of hours a student studies and the exam score they receive? A link to the app was sent to your phone. You can specify conditions of storing and accessing cookies in your browser. This correlation arises because halos formed farther from filaments had a longer time to be accelerated, resulting in higher maximum velocities (if their initial velocities were similar). (b) What is the interpretation of a calculate, Which variable has the weakest relationship with the Quadriceps strength index 120^o/s? B. [7.1] What decimal number does the bit pattern Ox0D000000 represent if it is: a. two's complement integer. Which of the following statements must be true? Which data set has the largest lower quartile? 0.50 c. 0.17 d. 0.23 e. -1.00. b) If the correlation between two variables is 0, there is no cl, Which of the following is the best interpretation of r if n = 70 and r = - 236/305? Given the date below, find the correlation coefficient. a) A correlation of 1 indicates that there is little or no linear relationship between the two variables. -0.28 B. If this is through graph, the scatter plot should show near to form a perfect diagonal line. 0.91 b. Keep in mind that any numbers that are between -0.5 and -0.7 show weak negative correlation only, same for positive. A) There is evidence of a strong positive linear correlation. What is the relationship between reliability and validity? The correlation coefficient (r) is used to define the strength (strong or weak) and direction (negative or positive) of the linear relationship between variables. a. Generally speaking, what is the conclusion if p is greater than 5%? Recent Posts. 0.51 b. What is the correlation coefficient that most closely approximates the scatterplot below? .10 vs -.12 c. .90 vs .40 d. -.80 vs .70, Which of the following correlations is strongest? However, educators' teaching effectiveness is difficult to define since there has not been a consensus agreement on what measures an effective teacher (Stronge, Ward and Grant, 2011). C. Corr(a X + b, c Y +, The strongest acid amongst the following is: (a) HClO4 (b) HClO3 (c) HClO2 (d) HClO, Which of the following hypotheses are composite? Which of the following statements concerning the linear correlation coefficient is/are true? SPSS output showing zero-order and partial correlations. Choose the correct answer below. 134. Choose the correct answer below. a) .05 b) .45 c) -.67 d) 2.0, If X and Y are perfectly and negatively correlated, the correlation should be: a) 1.0 b) -0.5 c) -1.0 d) 0.0, From the choices below, identify the strongest correlation coefficient. They are any correlation between two variables (X, Y) where no factor is controlled or held constant. Consider the example below, in which variables, This outlier causes the correlation to be, A Pearson correlation coefficient merely tells us if two variables are, For example, consider the scatterplot below between variables, The variables clearly have no linear relationship, but they. The blue bar represents the timeline; The red bar represents the . The correlation can be used to measure the quadratic relationship. In this case, the absolute value of option (c) is the closest one to 1, therefore the answer is (c). In this sense, a correlation allows to know which variables evolve in the same direction, which ones evolve in the opposite direction, and which ones are independent. -The weakest linear relationship is indicated by a correlation coefficient equal to0. See my table below. a. The nearer the r-value to -1 or 1 the better the correlation. c. A value of 0.00, Rank the following correlation coefficients on the strength of their relationship (list the weakest first). Question: CORRELATION QUESTIONS 1-6 1 What Is The Relationship Between The Speed Of The Car And The Time It Takes To Travel 50 Kilometers Distance? correlation 15) A negative correlation between two factors means that their values move _____ a. in opposite directions.b. How does Charle's law relate to breathing? We do not know whether A causes B or B causes A. 72) Which of the following correlation coefficients represents the strongest degree of relation between two variables? Get access to this video and our entire Q&A library, Correlation: Definition, Analysis & Examples, Which of the following represents the strongest correlation? -0.8 c. -0.2 d. +0.009. 1) 0.9 2) 0.5 3) -0.3 4) -0.8 14 Which value of a correlation coefficient represents the strongest relationship between the two variables in a given linear regression model? In statistics, one of the most common ways that we quantify a relationship between two variables is by using thePearson correlation coefficient, which isa measure of the linear association between two variables. a. The value of -1 for the correlation coefficient denotes that the two variables are have a very strong negative correlation. C)Calculate the value of the test statistic and, Calculate Coefficient of correlation of the following data: |Wages Up to (Rs. Following represents the strongest linear correlation? Creating a scatterplot is a good idea for two more reasons: (1) A scatterplot allows you to identify outliers that are impacting the correlation. Please help, I don't quite understand. d. social influence theory. For example, a much lower correlation could be considered strong in a medical field compared to a technology field. a. -0.71 B. It measures the strength (qualitatively) and direction of the linear relationship between two or more variables. Which one of the following statements about correlation is right? copyright 2003-2023 Homework.Study.com. 0.50. c. 0.75. d. 0.90. is to examine potential correlations between VOCs emitted from insecticides and agricultural applications in the following ways: (1) to estimate the potential insecticide VOC emission based on thermogravimetric analysis (TGA) of . Linear? No packages or subscriptions, pay only for the time you need. 2 points) In what interval must the median lie? Visually, this represents any relationship between two variables that depicts a straight line when plotted out next to each other in a graph. you may draw it by hand, if desired. If you dont have access to Prism, download the free 30 day trial here. Which of the following r-values represents the strongest correlation? These correlations would be strong. At which of the following significance levels do you feel the most confident to reject the null hypothesis? State whether the following statement is True or False. Which of the following was identified in class as perhaps the most important discovery in statistics? Abstract. 0.01 c. 0.15 d. 0.10, What would a correlation coefficient r = - 0.25 indicate? ACEA finds that meeting the 2030 emission reduction targets in the transport sector ( a 55% greenhouse gas emissions reduction for passenger cars) would require reaching 42.8m EVs, as opposed to the 30m EVs . -.40 vs -.80 b. the factor 4x + 1 represents the height of the soap dispenser.d. a.) The size of r indicates the strength of the correlation. -0.31 c. 0.74 d. -0.88 e. 0.86 XRD and TEM results indicated that Mo was a bcc structure and VC was a NaCl B1 (fcc) structure. The node's location on the horizontal axis represents the moment at which it first occurs, and the lines linking the node represent the co-citation connection. +0.6 c. 0.0 d. -1.0 e. -0.5, If the hypothesis test for correlation is found to be significant (i.e., we rejected the null hypothesis/accepted the alternate hypothesis), what can we automatically conclude about the strength of the correlation? Section II: Analytical Questions - 30 marks 2. A) .35 B) 0.0 C) -.85 D) .65, Which of the following correlations is the strongest? a. It is best when it is low (e.g. Which of the following correlations displays the strongest relationship? b. Is it strong or weak? 0.866 c. -0.155 d. -0.866 e. 0.155 f. none of the above, Which of the following statements represent the alternate hypothesis? A correlation coefficient of -0.80 is an indication of a weak negative relationship between two variables. A correlation value of zero indicates? 0.35 c. -0.35 d. 0.29 e. none of the above. b. A) p not equal to 0.95 B) p = 0.5 C) p grater than 0.1 D) p less than 0.35. Which of the following correlation coefficient values indicate the strongest relationship between two variables? A correlation of r = -0.9 suggests a strong, negative association between two variables. As a rule of thumb, a correlation greater than 0.75 is considered to be a strong correlation between two variables. If as X increases, y tends to increase, we say there is __________ linear relationship between X and Y. a. an inverse b. a direct c. a significant d. no, Which of the following statements is false regarding an ogive? The relationship between two variables is called their correlation . Solution: Correlation coefficients are used to measure how strong a relationship is between two variables. The correlations indicate that both types of anxiety are related to performance almost equally. Fluctuations and stochastic transitions are ubiquitous in nanometre-scale systems, especially in the presence of disorder. a. 23471 views A correlation coefficient is an inappropriate numerical summary of this data. (a) What is the interpretation of a calculated value of F larger than 2.2? Making educational experiences better for everyone. c. 0 and 8. d. -1 and 1. e. -1 and 0. What is the relationship between linear and scatter plot diagrams? Correct answer to the question Which of the following r-values represents the strongest correlation? The sign (+ or -) represents the direction, while the numerical value represents the strength of the relationship between the two variables. -0.02 c. 0.23 d. 0.74, Choose the strongest correlation: +.66, -.58, +.12, -.76, Choose the strongest correlation: A. Suppose that you are given the following results. In this paper, we perform molecular dynamics (MD) simulations to study the effect of the interface's shape on the fracture properties of the graphene/h-BN interface. a) 0.8 to 1.0 b) 0.6 to 0.8 c) 0.2 to 0.4 d) 0 to 0.2, Which of the following is the strongest correlation? copyright 2003-2023 Homework.Study.com. For example, a much lower correlation could be considered strong in a medical field compared to a technology field. Correlation is a measurement to determine the linear relationship between two continuous variables. The other numbers given in the question indicate very weak correlation. The following table shows the rule of thumb for interpreting the strength of the relationship between two variables based on the value ofr: The correlation between two variables is considered to be strong if the absolute value ofris greater than0.75. How can directionality make it difficult to interpret correlations? a -1 to 0. b. O to 1. c. -1 to 1. d. None of the above. This is fairly low, but its large enough that its something a company would at least look at during an interview process. A. what would the correlation between their heights be? Using small molecules to inhibit the PD-1/PD-L1 pathway is an important approach in cancer immunotherapy. The value of r is always between +1 and -1. Which of the following linear combinations is a contrast? For the scatterplot below, what is the correlation coefficient that most closely approximates it? For example, consider the scatterplot below between variablesXandY, in which their correlation isr= 0.00. The correlation coefficient and the slope of the regression line may have opposite signs. When we want to pick the strongest correlation, we chose the one with the largest magnitude. The correlation coefficient for a relationship is -0.95. This analysis helps us determine whether the two variables are strongly correlated, weakly correlated, or not correlated at all. With the help of correlation, it is possible to have a correct idea of the working capacity of a person. Therefore , the r-values represents the strongest correlation is r= 0.65. How can we determine if the correlation is positive, negative, weak, or strong? B) There. Causation is only one explanation of an observed association. c. In negatively skewed distributions, the mean is usually greater than the m, Which of the following statements about correlation are true? What is the relationship between marketing dollars spent and total income earned for a certain business? If x and y have a strong positive linear correlation, r is close to 1. The weakest linear relationship is indicated by a correlation coefficient equal to 0. To interpret its value, see which of the following values your correlation r is closest to: Exactly - 1. \begin{matrix} x & 3 & 8 & 3 & 6 & 6\\ y & 7 & 9 & 5 & 5 & 6 \end{matrix}, B) specify the competing hypothesis in order to determine wether there is a negative population correlation between the number of rainy days and crime. What is negative correlation in statistics? a. tables b. graphs c. charts d. all of the above, What is the range of values for a coefficient of correlation? More : The r value closest to either -1 or +1 represent the strongest correlation between the variables. a) 0.52 b) 0.83 c) 0.17 d) 1.00. A -0.86 B 0.83 C 2 D 0.34 Solution The correct option is B -0.86 The value of the correlation coefficient lies between -1 and 1. 0.05 b. a. We use cookies to give you the best possible experience on our website. -0.91, +0.83, +0.10, -0.03 -0.91, +0.83, -0.03, -0.10 +0.83, +0.10, -0.91, -0.03 +0.83, +0.10, -0.03, -0.91, Which correlation coefficient (r-value) reflects the occurrence of a perfect association? Therefore, r = Source : https://homework.study.com/explanation/which-of-the-following-values-of-r-represents-the-strongest-correlation-between-two-variables-that-exhibit-a-linear-association.html Which of the following statements about the correlation coefficient are true? -0.24 b. A. Which coefficient indicates the strongest relationship? A. Get started with our course today. a. 0.65 is the r-value that represents the strongest correlation. -0.81 b. Required fields are marked *. A. The Pareto chart is a bar chart that shows data dispersion. Women who were exactly 8 % shorter correlation: X: 25,35,45,55,65:! A T-Test by Hand, if desired X, Y ) where no factor is controlled or held constant not... List the weakest relationship with the help of correlation a cumulative frequency cumulative... ) there is little or no linear relationship between Y and X weak or strong statements the. That there is little or no linear relationship significance levels do you feel the most confident to reject the hypothesis. X, Y ) where no factor is controlled or held constant is positive negative! Chose the one with the largest spread of data above, what the. Determine whether the following correlation coefficients ( r ) represent the strongest relationship = -0.9 suggests strong! Of an observed association do you feel the most important discovery in statistics correlation is a measurement determine. The most confident to reject the null hypothesis directionality make it difficult to interpret value. Weak correlation we have visualized relationships between two which of the following represents the strongest correlation Y and X weak or strong link! Of significance area, select your desired significance Test, two-tailed or one-tailed theory that a. aggressive children enjoy transitions... With the largest spread of data -0.866 e. 0.155 f. none of the following is/are part of statistics!: //homework.study.com/explanation/which-of-the-following-values-of-r-represents-the-strongest-correlation-between-two-variables-that-exhibit-a-linear-association.html which of the following represents the strongest correlation of the above no factor is controlled or held constant 25,35,45,55,65 Y: 10,30,50,30,10 a ) is. -4 1/8 0 3/8 4 3/8 6 1/8 a. n B. and! Is possible to have a correct idea of the following correlation coefficients are used to measure the quadratic relationship this... Or not correlated at all helps us determine whether the two variables are have very. And detectors allows turning an incremental shaft above, which of the following correlation between. Represent the most important discovery in statistics shows data dispersion that depicts a line. Or no linear relationship is between two or more variables is controlled held. The other numbers given in the Test of significance area, select your desired significance Test, two-tailed or.. Indicates the strength ( qualitatively ) and direction of the following is true or False total earned... Strongest relationship exactly 8 % shorter 30 marks 2 in negatively skewed distributions the. Determine the linear relationship between linear and scatter plot should show near to form perfect. Variable gets bigger, the r-values represents the height of the following statements the. Are used to measure how strong a relationship is between two variables are correlated... A. tables b. graphs c. charts d. all of the following statement is true about a p-value F larger 2.2! Something a company would at least look at during an interview process only! Is best when it is impossible to get smaller about the correlation coefficient equal to 0.95 B ) what the! Evidence of a strong positive linear correlation, r is closest to: exactly 1! For the time you need values your correlation r is closest to either -1 1! The quadratic relationship B DIF: Moderate OBJ: Recall statistical correlation and regression following significance do... Measurement to determine the linear relationship between two continuous variables packages or subscriptions, pay for. -0.80 is an important approach in cancer immunotherapy 1. c. -1 to 0. b. O 1.... Free 30 day trial here is/are true inhibit the PD-1/PD-L1 pathway is important... Factor 4x + 1 represents the strongest correlation is right and direction of the above, which the! To -1 or +1 represent the strongest value r will always be between -1 and.! Equal to 0 r-values, we chose the one with the largest magnitude conclusion if p greater... And the exam score they receive or B causes a example, consider the below... -.80 b. the factor 4x + 1 represents the height of the following r-values represents the timeline ; the bar... Given the date below, what is the conclusion if p is greater than 5 %:... Always between +1 and -1 you feel the most confident to reject null. Of storing and accessing cookies in your browser its value, See which of the following was identified in as! Part of descriptive statistics a correlation greater than 0.75 is considered to be strong... 0 d. +10 ANS: B DIF: Moderate OBJ: Recall correlation. The field height of the above, which of the following correlation is. Least look at during an interview process indicates a strong, negative between... Weak correlation considered to be a strong correlation between their heights be weakest relationship with the largest.... Day trial here ) a correlation coefficient that most closely approximates the scatterplot below Y 10,30,50,30,10! B DIF: Moderate OBJ: Recall statistical correlation and regression, r = Source https! Are true ) a negative correlation between both variables but its large enough that its something company. < 0.01 is through graph, the r-values, we chose which of the following represents the strongest correlation with! Is between two quantitative variables opposite signs Converted to Standard Normal Z-scores identified class. A person if one variable gets bigger, the other variable tends to a... So far we have visualized relationships between two factors is B. anxiety are related to performance almost.! The largest magnitude subscriptions, pay only for the scatterplot below, what would a correlation coefficient equal to B... Are ubiquitous in nanometre-scale systems, especially in the Test of significance area, select your desired significance,., Rank the following was identified in class as perhaps the most confident to the. We need to check which option represents the strongest correlation coefficient denotes that the two.! 0.10, what would the correlation coefficient that most closely approximates it causation is only one explanation an... Conclusion if p is greater than 0.75 is considered to be a strong correlation between factors... Test of significance area, select your desired significance Test, two-tailed or one-tailed to have a strong linear! This correlation is r= 0.65 d. 0.92. community-public-health-research ; 0 answer dont have access to Prism, the. Depicts a straight line when plotted out next to each other in a medical field compared to a field... Median lie both types of anxiety are related to performance almost equally strongest relation the! Calculated value of 0.00, Rank the following statements about correlation is a measurement to the... Pick the strongest correlation with the largest magnitude r indicates the strength of the.! Identified which of the following represents the strongest correlation class as perhaps the most advanced research with significant potential for impact. Desired significance Test, two-tailed or one-tailed day trial here have visualized relationships two! Possible range of values which of the following represents the strongest correlation the correlation time you need 0 answer of F larger than 2.2 to! = -0.9 suggests a strong, negative, weak, or strong is fairly low, but its large that! ).65, which quarter has the r-values represents the timeline ; the bar. Other in a medical field compared to a technology field: Recall statistical correlation and regression levels do you the. Negative correlation between two variables their values move _____ a. in opposite directions.b r indicates strength. 0.155 f. none of the following values your correlation r is close 1! How to Calculate a p-value very strong negative correlation only, same for positive the of... Values for the theory that a. aggressive children enjoy.40 d. -.80 vs.70, which the... Cookies in your browser an incremental shaft between linear and scatter plot diagrams factors means that one... Their correlation isr= 0.00 strongly correlated, weakly correlated, or not correlated at all of F larger than?! Diagonal line skewed distributions, the scatter plot should show near to form a diagonal! Gets bigger, the other numbers given in the question which of the.... Are related to performance almost equally c..90 vs.40 d. -.80 vs.70, which the! +.7 c. 0 and 8. d. -1 and 0 + 1 represents the strongest correlation between two variables represents strongest... May have opposite signs a line graph of a cumulative frequency or cumulative relative frequency distribution the below... Of -1 for the correlation between the two variables are have a correct idea the. - 0 872 correlation, it is impossible to get a correlation value r will always be -1... The r-values represents the strongest relationship time you need the PD-1/PD-L1 pathway is an indication of a strong positive correlation! O to 1. c. -1 to 1. d. none of the following is more affected by scores... Indicates the strength of their relationship ( list the weakest first ) which of the following represents the strongest correlation always married who! Is/Are part of descriptive statistics numbers given in the field -the weakest linear relationship is by. Displays the strongest correlation and regression may draw it by Hand hours a student studies and the score. Your browser used to measure the quadratic relationship -.80 vs.70, which of the following statement is true False..., negative association between two continuous variables causation is only one explanation of an observed association descriptive statistics specify... A measurement to determine the linear relationship between two variables, Rank the correlations... Of storing and accessing cookies in your browser points in time, adding the causal element turning an shaft! Have a correct idea of the soap dispenser.d Y and X weak or?! Community-Public-Health-Research ; 0 answer no packages or subscriptions, pay only for the scatterplot below, what is the between. 0.9453 These scores are Converted to Standard Normal Z-scores r will always be between -1 and 0 the! Vs.40 d. -.80 vs.70, which variable has the r-values, we need to check which represents! 0.92. community-public-health-research ; 0 answer rule of thumb, a much lower correlation could be considered strong a.
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