A sales manager for an advertising agency believes there is a relationship between the number of contacts that a salesperson makes and the amount of sales dollars earned. A regression analysis shows the following results: What is the Y-intercept of the linear equation? What is the slope of the linear equation? What is the regression equation? What is the standard error of the slope? What is the decision regarding the hypothesis that the slope equals zero? What is the value of the standard error of estimate? What is the value of the coefficient of correlation? What is the value of the coefficient of determination? What is the 95% confidence interval for 30 calls? What is the 95% prediction interval for a particular person making 30 calls?
