In a recent survey concerning company sales and net earnings, 15 companies responded. Data analysis was computed, letting sales ($ thousands) be the independent variable, and net earnings ($...

In a recent survey concerning company sales and net earnings, 15 companies responded. Data analysis was computed, letting sales ($ thousands) be the independent variable, and net earnings ($ thousands) be the dependent variable. The results are as follows:
Regression Analysis Observations n=15 Intercept -0.07 Sales coefficient 0.07 Coefficient of Correlation r=0.537 Value of t statistic 1=2.382
Using this information, answer the following questions. a) Use the regression line above to estimate the net earnings for a company with sales of $62.4 thousand. For full marks, estimate your answer to the nearest dollar.
Earnings: $ 0
b) Given the regression equation provided above, which of the following statements is most appropriate regarding company sales and earnings? Positive sales means positive net earnings for any business. Sales have no effect on net revenues. Insufficient sales can lead to net losses for some businesses. After a certain level of sales has been reached, net earnings stop growing entirely.