Using the estimated standard error of regression, sb1 found in Exercise 13. 53 for the number of

Question:

Using the estimated standard error of regression, sb1 found in Exercise 13. 53 for the number of hours studied–exam grade relationship, find the 95% confidence interval for the population slope b1. The equation for the line of best fit was: yˆ = 3.96 + 0.625x yˆ = 3.96 = 0.625x