The sales records of a company over a period of seven years

The sales records of a company over a period of seven years are shown below. a. Develop a linear trend expression for the above time series. b. Forecast sales for period 10.

Solution

rounding 1.464285 up to 3 decimal places

forcasted sales for period 10 = 12 + 1.464*(10) = 12+14.64 = 26.64 million,

try answering as 26,640,000 or 26640000

the answer can change depending on the number of digits used in rounding.