SOLUTION: The sales of a certain product during a 14 year period have been as follows: Period Sales (Rs) 1- 2,000 2- 2,200 3- 2,100 4- 2,300 5- 2,500 6- 3,200 7- 3,600 8- 4,000 9-

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Question 921190: The sales of a certain product during a 14 year period have been as follows:
Period Sales (Rs)
1- 2,000
2- 2,200
3- 2,100
4- 2,300
5- 2,500
6- 3,200
7- 3,600
8- 4,000
9- 3,900
10- 4,000
11- 4,200
12- 4,300
13- 4,900
14- 5,300
Find out the least square regression line for the data given.
For the data given above assume that forecast for the period 1 was Rs 2,100. If the
constant (α) is equal to 0.3, derive the forecast for the periods 2 to 14.
Answer by ewatrrr(24785) About Me  (Show Source):