Consider the following values for an independent and dependent variable: x y 6..5 920 14..28 18..30 22..33

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Consider the following values for an independent and dependent variable:
x y
6……………………..5
9……………………20
14…………………..28
18…………………..30
22…………………..33
27…………………..35
33…………………..45
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? Discuss.
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Business Statistics A Decision Making Approach

ISBN: 9780133021844

9th Edition

Authors: David F. Groebner, Patrick W. Shannon, Phillip C. Fry

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