The following time series shows the sales of a clothing store over a 10-week period.
a.Compute a 4-week moving average for the above time series.
b.Compute the mean square error (MSE) for the 4-week moving average forecast.
c.Use $\alpha$= 0.3 to compute the exponential smoothing values for the time series.
d.Forecast sales for week 11.

Question

The following time series shows the sales of a clothing store over a 10-week period.  
a.Compute a 4-week moving average for the above time series.
b.Compute the mean square error (MSE) for the 4-week moving average forecast.
c.Use $\alpha$= 0.3 to compute the exponential smoothing values for the time series.
d.Forecast sales for week 11.

Quizplus · Accepted Answer

The Answer of The following time series shows the sales of a clothing store over a 10-week period.  
a.Compute a 4-week moving average for the above time series.
b.Compute the mean square error (MSE) for the 4-week moving average forecast.
c.Use $\alpha$= 0.3 to compute the exponential smoothing values for the time series.
d.Forecast sales for week 11.

The Following Time Series Shows the Sales of a Clothing α\alphaα

The Following Time Series Shows the Sales of a Clothing $\alpha$