Chapter.Section 18.1 A sample of 33 companies was randomly s…

Chapter.Section 18.1 A sample of 33 companies was randomly selected, and data was collected on the average annual bonus, turnover rate (%), and trust index (measured on a scale of 0 – 100).  According to the output shown below, what is the estimated multiple regression model?  

Chapter.Section 18.3 Selling price and amount spent advertis…

Chapter.Section 18.3 Selling price and amount spent advertising were entered into a multiple regression to determine what affects flat-panel LCD TV sales.  The plot of residuals versus predicted values is shown below.  What does the residual plot suggest?