- Submit answers to Tires for You, Inc. Case 7.1, page 227. There will be an in-depth examination of what the data indicates in Week 8.

q.1 calculate a forecast using a simple three month moving average.

Q2 Calculate a forecast using a three period weighted moving average. Using weights of 0.60,0.30, and 0.10 for the most recent period, and the third most recent period., respectively?

q3 Calculate a forcst using the exponential smothing method. Assuming the forecast for a period 1 is 9,500 use alpha = 0.40

q.4 Once you have calculated the forecasts based on the above data , determine the errors terms by comparing them to the actual sales for 2020 given below?

Period Tires used 2020

January 10,696

February 9,665

March 10,179

April 11,760

May 9,150

June 9,571

July 8,375

August 11,826

September 10,696

October 11,212

November 9,750

December 9,380

q.5 Based on the three methods used to calculate a forcast for TFY , Which method produced the best forecaste? why? what measure of forecast error did you use? How could you improve upon this forecaste?