Refer to Solved Problem 4.1 on page 144. a) Using the trend projection (regression) method,… 1 answer below »

Refer to Solved Problem 4.1 on page 144.

a) Using the trend projection (regression) method, develop a forecast for the sales of Volkswagen Beetles in Nevada through year 6.

b) What is the MAD? PX

c) What is the MSE         

Problem 4.1

The following gives the number of pints of type B blood used at Woodlawn Hospital in the past 6 weeks:

 

a) Forecast the demand for the week of October 12 using a 3-week moving average.

b) Use a 3-week weighted moving average, with weights of .1, .3, and .6, using .6 for the most recent week. Forecast demand for the week of October 12.

c) Compute the forecast for the week of October 12 using exponential smoothing with a forecast for August 31 of 360 and a = .2