Question: Chapter 9, Problem 6 please walk through the steps. My subject is (Organizational Management) A restaurant wants to forecast its weekly sales. Historical data (in

Chapter 9, Problem 6 please walk through the steps. My subject is (Organizational Management)

A restaurant wants to forecast its weekly sales. Historical data (in dollars) for 15 weeks are shown below and can be found on worksheet C9P6 in the OM6 Data Workbook at OM6 Online. (Note: You may copy the data from the worksheet to the appropriate Excel template.) a. Plot the data and provide insights about the time series. b. What is the forecast for week 16, using a two- period moving average? c. What is the forecast for week 16, using a three- period moving average? d. Compute MSE for the two- and three-period moving average models and compare your results. e. Find the best number of periods for the moving average model based on MSE.

Time period is in weeks

Time period	Observation
1	1623
2	1533
3	1455
4	1386
5	1209
6	1348
7	1581
8	1332
9	1245
10	1521
11	1421
12	1502
13	1656
14	1614
15	1332

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