QUESTION 2 Mr Stat is hoping to determine if he can predict the score of a test based on the number of hours a student used to prepare. The test scores of 6 randomly picked students and number of hours they prepared are as follows: Hours 10 4 10 Score 74 91 69 86 95 87 a) What is the explanatory variable? Hours b) What is the response variable? Score (Use y for the response variable and x for the explanatory variable.) c) What is the regression equation? (Round answer to 3 decimal places.) d) What is the correlation coefficient, r? (Write as a decimal rounded to 3 decimal places.) e) What is the coefficient of determination, r2 ?

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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QUESTION 2
Mr Stat is hoping to determine if he can predict the score of a test based on the number of hours a student used to prepare. The test scores of 6
randomly picked students and number of hours they prepared are as follows:
Hours
10
4
6.
10
9.
Score
74
91
69
86
95
87
a) What is the explanatory variable? Hours
b) What is the response variable? Score
(Use y for the response variable and x for the explanatory variable.)
c) What is the regression equation?
(Round answer to 3 decimal places.)
d) What is the correlation coefficient, r?
(Write as a decimal rounded to 3 decimal places.)
e) What is the coefficient of determination, r-?
Transcribed Image Text:QUESTION 2 Mr Stat is hoping to determine if he can predict the score of a test based on the number of hours a student used to prepare. The test scores of 6 randomly picked students and number of hours they prepared are as follows: Hours 10 4 6. 10 9. Score 74 91 69 86 95 87 a) What is the explanatory variable? Hours b) What is the response variable? Score (Use y for the response variable and x for the explanatory variable.) c) What is the regression equation? (Round answer to 3 decimal places.) d) What is the correlation coefficient, r? (Write as a decimal rounded to 3 decimal places.) e) What is the coefficient of determination, r-?
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