Refer to Exercise 9.10. After the least squares line has been obtained, the table below (which is
Question:
Refer to Exercise 9.10. After the least squares line has been obtained, the table below (which is similar to Table 9.4) can be used for (1) comparing the observed and the predicted values of y, and (2) computing SSE.
XYY (Y - Y) (Y - 32
a. Complete the table.
b. Plot the least squares line on a scattergram of the data. Plot the following line on the same graph:
$ = 14 - 2.5~
c. Show that SSE is larger for the line in part b than it is for the least squares line.
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Related Book For
Statistics For Business And Economics
ISBN: 9780130272935
8th Edition
Authors: James T. McClave, Terry Sincich, P. George Benson
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