1. A fitted regression Profit = -570 + 30 Sales (all variables in thousands of dollars) was estimated from a random sample of 20 pharmacies. For a pharmacy with Sales = 10, we predict that Profit will be:

Select one:

a.

3570.

b.

2430.

c.

-270.

d.

870.

2. Interpret the slope of the fitted regressionHomeprice= 125,000 + 150 *SquareFeet.

3. What is the prediction forHomePriceifSquareFeet= 2,000?

4. Use instructions from your Regression book to run a regression in Movies Excel file attached. What is the regression equation?

5. What is the slope?

6. Interpret the slope.

7. What is R²?

8. Interpret the R².