The data below represents output, over three days, for three shifts per day, early (E), day (D) and late (L):
![](https://test.transtutors.com/qimg/ae6c8535-e844-4ae7-b281-b17012b632d0.png)
a. Construct a time-series graph and comment.
b. Calculate a three point moving average and place this on your time-series graph.
c. Interpreting each shift as a season, determine the seasonal components using a multiplicative model.
d. Use your results in (b) and (c) to predict the output for the three shifts in day four