Let the sample regression line be and let x and y denote the sample means for the

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Let the sample regression line be

and let x and y denote the sample means for the independent and dependent variables, respectively.

a. Show that

b. Using the result in part a, show that

c. Using the result in part a, show that

d. Show that

e. Using the results in parts c and d, show that SST = SSR + SSE

f. Using the result in part a, show that

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Statistics For Business And Economics

ISBN: 9781292315034

9th Global Edition

Authors: Paul Newbold, William Carlson, Betty Thorne

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