A sales manager wishes to forecast sales for the next three years for a company that has been in business for the past 1
Posted: Sat May 21, 2022 10:25 am
company that has been in business for the past 15 years. The sales during these years are shown on the next table. Year (x) 1 2 3 4 5 6 7 8 9 Sales (y) 9149 13048 19147 28873 39785 54968 72136 89478 112946 Calculate coefficients a and bin y = a sin(x) + b cos(x) to be a least squares fit to the data in the table. Compute the sales for the next three years.
A sales manager wishes to forecast sales for the next three years for a