Consider the following values for an independent and dependent variable: x y 6.5 9...20 14.28 18.15 22.27
Question:
x y
6…………………….5
9…………………...20
14.…………………28
18.…………………15
22.…………………27
27.…………………31
33.…………………32
50.…………………60
61.……………….132
75.……………….160
a. Determine the estimated linear regression equation relating the dependent and independent variables.
b. Is the regression equation you found significant? Test at the α = 0.05 level.
c. Determine both the residuals and standardized residuals. Is there anything about the residuals that would lead you to question whether the assumptions necessary to use regression analysis are satisfied?
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Related Book For
Business Statistics A Decision Making Approach
ISBN: 9780133021844
9th Edition
Authors: David F. Groebner, Patrick W. Shannon, Phillip C. Fry
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