# In exercise 4, the following estimated regression equation relating sales to inventory investment and advertising expenditures was

## Question:

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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**Related Book For**

## Essentials Of Statistics For Business And Economics

**ISBN:** 9781305081598

7th Edition

**Authors:** David Anderson, Thomas Williams, Dennis Sweeney, Jeffrey Cam