The following data show the quarterly sales of Amazing Graphics, Inc. for the years 6 through 8.
a.Compute the four-quarter moving average values for the above time series.
b.Compute the seasonal factors for the four quarters.
c.Use the seasonal factors developed in Part b to adjust the forecast for the effect of season for year 6.

Question

The following data show the quarterly sales of Amazing Graphics, Inc. for the years 6 through 8.  
a.Compute the four-quarter moving average values for the above time series.
b.Compute the seasonal factors for the four quarters.
c.Use the seasonal factors developed in Part b to adjust the forecast for the effect of season for year 6.

Quizplus · Accepted Answer

The Answer of The following data show the quarterly sales of Amazing Graphics, Inc. for the years 6 through 8.  
a.Compute the four-quarter moving average values for the above time series.
b.Compute the seasonal factors for the four quarters.
c.Use the seasonal factors developed in Part b to adjust the forecast for the effect of season for year 6.

The Following Data Show the Quarterly Sales of Amazing Graphics