b. The following table shows the number of televisions sold over the last ten years at a local electronic store. YEAR 1 2 3 4 5 6 7 8 9 10 TV SALES 150 300 480 600 630 640 700 825 900 980 i. Using trend projection, develop a formula to predict sales for years 11 and 12. You have to show all working. You will need to develop a table to calculate the slope and the intercept. ii. Use that formula to forecast television sales for years 11 and 12.

Practical Management Science
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ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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b. The following table shows the number of televisions sold over the last ten years at a
local electronic store.
YEAR
1
2
3
4
5
6
TV SALES
150
300
480
600
630
640
700
825
900
980
7
8
9
10
i. Using trend projection, develop a formula to predict sales for years 11 and 12. You
have to show all working. You will need to develop a table to calculate the slope and
the intercept.
ii. Use that formula to forecast television sales for years 11 and 12.
Transcribed Image Text:b. The following table shows the number of televisions sold over the last ten years at a local electronic store. YEAR 1 2 3 4 5 6 TV SALES 150 300 480 600 630 640 700 825 900 980 7 8 9 10 i. Using trend projection, develop a formula to predict sales for years 11 and 12. You have to show all working. You will need to develop a table to calculate the slope and the intercept. ii. Use that formula to forecast television sales for years 11 and 12.
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