[Steps Shown] A telemarketing company wants to know if the sales go up as they call more people per day but spend less time per call. The following is the

Question:

A telemarketing company wants to know if the sales go up as they call more people per day but spend less time per call. The following is the data of nine randomly selected days, giving the number of calls the salesperson makes in a day and the total amount of sales made (in thousands of dollars). The data are also provided in the spreadsheet that accompanies the test.

Estimate the regression equation.
How good is the regression? Give evidence for your answer based on at least two criteria.

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[Steps Shown] A telemarketing company wants to know if the sales go up as they call more people per day but spend less time per call. The following is the

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