The R.U.O.K. Company sells drones. Monthly sales for the last 6 months are as follows:
Month Units
January 1,500
February 1,750
March 2,050
April 2,200
May 1,800
June 1,950
Compute the sales forecast for July using the following approaches:
a. a four month moving average
b. a weighted 4 month moving average using 0.5 for the previous month, 0.25 for 2 months prior, 0.15 for 3 months prior and 0.1 for 4 months prior.
c. The linear trend regression equation for this data set is Y=72.9x+1620. Use the linear regression equation and provide the forecast for July.