Question

The management of a chain electronic store would like to develop a model for predicting the weekly sales (in thousands of dollars) for individual stores based on the number of customers who made purchases. A random sample of 12 stores yields the following results:

Customers | Sales (Thousands of Dollars)
907 | 11.2
926 | 11.05
713 | 8.21
741 | 9.21
780 | 9.42
898 | 10.08
510 | 6.73
529 | 7.02
460 | 6.12
872 | 9.52
650 | 7.53
603 | 7.25

(a) Estimate a linear regression. What are the values of the estimated intercept and slope? Show how you obtain your answer.

Answer 1

The answer and procedures of the exercise are attached in the following archives.

Explanation

You will find the procedures, formulas or necessary explanations in the archive attached below. If you have any question ask and I will aclare your doubts kindly.