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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The following table shows the number of televisions sold over the last ten years at a local electronic store.
Year | TV Sales |
1 | 150 |
2 |
300 |
3 | 480 |
4 | 600 |
5 | 630 |
6 | 640 |
7 | 700 |
8 | 825 |
9 | 900 |
10 | 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
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