The bookstore in Exercise 5 decides to have a gala event in an attempt to drum up

Question:

The bookstore in Exercise 5 decides to have a gala event in an attempt to drum up business. They hire 100 employees for the day and bring in a total of $42,000.

a) Find the regression line predicting Sales from Number of people working with the new point added.

b) What has changed from the original regression equation?

c) Is the new point a high leverage point or an influential point?

d) Does the new point have a large residual? Explain.

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