A sales manager collected the following data on annual sales and years of experience. The following table shows the calculation for the regression with sales and years of experiment. Salesperson Sum Mean 1 2 3 4 S 6 7 Years of Sales Experience (51000s) N 1 3 4 4 6 7 10 35 Y 80 97 92 102 103 (x,-) (-9) 4 -2 olie -20 3 (b) 111 115 700 5 100 (a) (b) (c) (d) (e) in row i 5 0 (-X)× (₁-9) -8 6 - (c) ww 192 (-8)¹6-9¹ 16 4 (d) 52 400 9 (0) www 832

Practical Management Science
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Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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A sales manager collected the following data on annual sales and years of experience. The following table shows
the calculation for the regression with sales and years of experiment.
Salesperson
1
2
3
4
S
6
7
Sum
Mean
Years of
Sales
Experience (51000s) (x,-) (-9)
N
1
3
4
4
6
7
Y
80
10
35
5
97
92
102
103
111
115
700
100
Calculate the values of (a), (b), (c), (d), (e) in row i = 5.
4
-2
(0)
-20
-3
0
(b)
0
(-X)×
(-9)
211311-8
(c)
(-)²¹6-9²
2-11511C
16
4
(d)
400
9
(0)
832
Transcribed Image Text:A sales manager collected the following data on annual sales and years of experience. The following table shows the calculation for the regression with sales and years of experiment. Salesperson 1 2 3 4 S 6 7 Sum Mean Years of Sales Experience (51000s) (x,-) (-9) N 1 3 4 4 6 7 Y 80 10 35 5 97 92 102 103 111 115 700 100 Calculate the values of (a), (b), (c), (d), (e) in row i = 5. 4 -2 (0) -20 -3 0 (b) 0 (-X)× (-9) 211311-8 (c) (-)²¹6-9² 2-11511C 16 4 (d) 400 9 (0) 832
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