=+28. Assets and sales. A business analyst is looking at a company’s assets and sales to determine the relationship (if any)

between the two measures. She has data (in $million) from a random sample of 79 Fortune 500 companies, and obtained the linear regression below:

Predictor Coeff SE(Coeff) t-Ratio P-Value Intercept 1867.4 804.5 2.32 0.0230 Sales 0.975 0.099 9.84 60.0001 s = 6132.59 R-Sq = 55.7%

Use the data provided to find a 95% confidence interval for the slope of the regression line and interpret your interval in context.

M15_SHAR8696_03_SE_C15.indd 532 14/07/14 7:30 AM Exercises 533