Which value of r indicates a stronger correlation: r=0.844 or r= -0.867? Explain your reasoning.Choose the correct answer below.O A. r= -0.867 represents a stronger correlation because | -0.867| > |0.844.B. r=0.844 represents a stronger correlation because 0.844> -0.867.OC. r=0.844 represents a stronger correlation because | -0.867| > |0.844|.D. r= -0.867 represents a stronger correlation because 0.844 > -0.867.

The r values are 0.844 and -0.867.

Answered: Which value of r indicates a stronger…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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1. 2. 0.6 0.8 1.0 3. 0.2 0.4 0.0 (2) = -0.86 1. (2) = 0.13 2. To see the relationship between the dexp, pexp, qexp, and rexp, please fill in the blanks. The options for each blank are dexp, pexp, qexp, rexp. Hint: Use R to confirm you get the intended answer. Note: Values in the right hand side of the equation in questions 1, 2, and 3 are round off values (0.86) 2 (2) = 0.86 0 2 4 6 8 10 12 3. (2) = 0.13 X (0.86) = 2
Which of the R values below is consistent with a "perfect" correlation? a. 0.0 b. 0.5 c. -1.0 d. 0.95
The following statement contains an error. Choose the statement that best explains the error. "The correlation between shoe size and height is 0.87 inches" A. Correlation requires that both of the variables be categorical B. When stating the correlation coefficient, one must state whether it is a positive or negative relationship C. This statement does not tell us whether or not shoe size is correlated with height D. When reporting correlation, one does not report units because correlation has no units E. There is no error in this statement
Match the linear correlation coefficient to the scatter diagram. r-0.764 Choose the correct graph below. OA. O B. c. OD. Explanatory Explanatory Explanatory Explanatory Response Response esponse Response
Choose the best statement to summarize the association shown between hat size and IQ in the scatterplot below. Hat Size O The scatterplot does not show a trend that would indicate an association between hat size and IQ scores. O As hat size increases, IQ scores tend to decrease. O As hat size increases, IQ scores tend to increase. Hat size causes IQ to increase.
Assume that you have paired values consisting of heights (in inches) and weights (in lb) from 40 randomly selected men. The linear correlation coefficient r is 0.594. Find the value of the coefficient of determination. What practical information does the coefficient of determination provide? Choose the correct answer below. O A. The coefficient of determination is 0.353. 64.7% of the variation is explained by the linear correlation, and 35.3% is explained by other factors. O B. The coefficient of determination is 0.647. 35.3% of the variation is explained by the linear correlation, and 64.7% is explained by other factors. O C. The coefficient of determination is 0.647. 64.7% of the variation is explained by the linear correlation, and 35.3% is explained by other factors. O D. The coefficient of determination is 0.353. 35.3% of the variation is explained by the linear correlation, and 64.7% is explained by other factors.
From the calculation that you obtained, interpret the correlation coefficient of the data found in the table Person Hand Height A 17 150 B 15 154 19 169 17 172 E 21 175 port
Give an example of two variables that you would expect to have a correlation close to or equal to -1. Give an example of two variables that you would expect to have a correlation close to or equal to 0. Remember that survey question you wrote? Take the class responses to your survey as data related to the one variable of your question. Now, take the list of responses from the survey question that one of your classmates wrote. Write down both lists of data. (If one sample size happens to be different from the other, cut the larger sample size down to that of the smaller sample size.) Calculate the correlation between the two variables. Describe the linear relationship between these two variables. (data for number 3) How many cars have you had so far in your lifetime? 0,1,1,1,2,2,2,2,3,3,3,3,4,4,5,6,6,7,10. How many days per week do you exercise? 0,0,0,1,2,3,3,3,3,4,4,4,4,5,5,5,5,6,6,6
answer please
r = - 1

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