Question

In exercise 4, the following estimated regression equation relating sales to inventory investment and advertising expenditures was given.
y = 25 + 10x1 + 8x2
The data used to develop the model came from a survey of 10 stores; for these data SST = 16,000 and SSR = 12,000.
a. Compute SSE, MSE, and MSR.
b. Use an F test and a .05 level of significance to determine whether there is a relationship among the variables.



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  • CreatedFebruary 16, 2015
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