Month Sales (Thousands) Number of Calls Sales (Thousands) Jan 115 30 115 Feb 102 25 102 March 123 32 123 April May 99 23 99 112 31 112 June 106 24 106 July 82 22 82 Aug Sept 109 28 109 120 33 120 Oct 111 25 111 Nov 81 19 81 Dec 89 20 89 intercept = slope = # of calls = Sales forecast =

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please answer in excel

 

Greenapple Services Inc. calls previous customers to introduce and sell their new products every months.The following data have been collected for the past year showing sales and number of calls on the same month:

  1. a) Develop a regression equation to forecast the Sales as a function of the calls.
  2. b) Suppose that the company would like to place 32 calls this month. Estimate the Sales in response to this amount of calls.

 

Month
Sales (Thousands) Number of Calls
Sales (Thousands)
Jan
115
30
115
Feb
102
25
102
March
123
32
123
April
May
99
23
99
112
31
112
June
106
24
106
July
82
22
82
Aug
Sept
Oct
109
28
109
120
33
120
111
25
111
Nov
81
19
81
Dec
89
20
89
intercept =
slope =
# of calls =
%3D
Sales forecast =
Transcribed Image Text:Month Sales (Thousands) Number of Calls Sales (Thousands) Jan 115 30 115 Feb 102 25 102 March 123 32 123 April May 99 23 99 112 31 112 June 106 24 106 July 82 22 82 Aug Sept Oct 109 28 109 120 33 120 111 25 111 Nov 81 19 81 Dec 89 20 89 intercept = slope = # of calls = %3D Sales forecast =
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