Study the following Minitab output from a regression analysis to predict y from x. a. What is
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a. What is the equation of the regression model?
b. What is the meaning of the coefficient of x?
c. What is the result of the test of the slope of the regression model? Let α = .10.Why is the t ratio negative?
d. Comment on r2 and the standard error of the estimate.
e. Comment on the relationship of the F value to the t ratio for x.
f. The correlation coefficient for these two variables is -.7918. Is this result surprising to you? Why or whynot?
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Related Book For
Business Statistics For Contemporary Decision Making
ISBN: 978-1118749647
8th edition
Authors: Black Ken
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