A Car Sales Manager Has Collected the Following Data on the Number

A car sales manager has collected the following data on the number of cars sold per week and years of experience for 7 of his salespeople.
$$\begin{array} { c l } \text { Cars Sold/Week } & \text { Years of Experience } \\3 & 1.5 \\7 & 4 \\5 & 3 \\10 & 12 \\8 & 10 \\6 & 4 \\4 & 3.5\end{array}$$
a.Develop a regression model to predict sales based on years of experience.
b.Use the estimated regression model to predict sales for a salesperson with 7 years of experience.

Correct Answer:

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a.Sales = 3.11 + 0...

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