. Which one of the following statements involving correlation is possible and reasonable? A. The correlation between hair color and eye color is o.80. B. The correlation between the height of a father and the height of his first son is o.6 C. The correlation between left foot length and right foot length is 2.35. D. The correlation between hair color and age is positive. Two variables have a positive association when A. the values of one variable tend to increase as the values of the other variable increase. B. the values of one variable tend to decrease as the values of the other variable increase. C. the values of one variable tend to increase irregardless of how the values of the other variable change. D. the values of both variables are always positive. A researcher reports that the correlation between two quantitative variables is r = o.8. Which of the following statements is correct? A. The average value of y changes by o.8 when x is increased by 1. B. The average value of x changes by o.8 when y is increased by 1. C. The explanatory variable (x) explains o.8 of the variation in the response variable (y) D. The explanatory variable (x) explains 0.82 = 0.64 of the variation in the response variable (y)
. Which one of the following statements involving correlation is possible and reasonable? A. The correlation between hair color and eye color is o.80. B. The correlation between the height of a father and the height of his first son is o.6 C. The correlation between left foot length and right foot length is 2.35. D. The correlation between hair color and age is positive. Two variables have a positive association when A. the values of one variable tend to increase as the values of the other variable increase. B. the values of one variable tend to decrease as the values of the other variable increase. C. the values of one variable tend to increase irregardless of how the values of the other variable change. D. the values of both variables are always positive. A researcher reports that the correlation between two quantitative variables is r = o.8. Which of the following statements is correct? A. The average value of y changes by o.8 when x is increased by 1. B. The average value of x changes by o.8 when y is increased by 1. C. The explanatory variable (x) explains o.8 of the variation in the response variable (y) D. The explanatory variable (x) explains 0.82 = 0.64 of the variation in the response variable (y)
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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Transcribed Image Text:No. 10
Determine the ff.
. Which one of the following statements involving correlation is possible and reasonable?
A. The correlation between hair color and eye color is o.80.
B. The correlation between the height of a father and the height of his first son is o.6
C. The correlation between left foot length and right foot length is 2.35.
D. The correlation between hair color and age is positive.
Two variables have a positive association when
A. the values of one variable tend to increase as the values of the other variable increase.
B. the values of one variable tend to decrease as the values of the other variable increase.
C. the values of one variable tend to increase irregardless of how the values of the other variable change.
D. the values of both variables are always positive.
A researcher reports that the correlation between two quantitative variables is r = 0.8. Which of the following
statements is correct?
A. The average value of y changes by o.8 when x is increased by 1.
B. The average value of x changes by o.8 when y is increased by 1.
C. The explanatory variable (x) explains o.8 of the variation in the response variable (y)
D. The explanatory variable (x) explains 0.82 = 0.64 of the variation in the response variable (y)
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