A sales manager for an advertising agency believes there is a relationship between the number of contacts and the amount of the sales.To verify this believe, the following data was collected:

Number ofAmount of

Salesperson Contacts,X Sales (in thousands),Y

11424

21214

32028

41630

54680

62330

74890

85085

955120

1050110

1)The coefficient of correlation for (X) the number of contacts and (Y) the amount of the sales is 0.9753, what does the value coefficient of correlation indicates?

2)The regression equation was calculated to be: = -12.201 + 2.1946x

Write a brief report on estimated regression equation

3)For the number of contacts is 60, please determine the amount of the sales;