1- Consider the time-series data of sales for ten weeks. The data represents that a linear trend forecast may be sufficient. What is the slope of the data?

Week	Unit Sales
1	700
2	724
3	720
4	728
5	740
6	742
7	758
8	750
9	770
10	803

2- Compute a three-period moving average forecast for demand for shopping carts.

time	demand
1	42
2	40
3	43
4	43
5	43

What is the forecasted demand for period 6?

3- Consider the time series data of actual sales and forecasts for a given product:

time	Actual	Forecast
1	217	215
2	213	216
3	216	215
4	210	214
5	213	211
6	219	214
7	216	217
8	212	216
9	224	217

What is the MAPE between actual and forecast? (Enter as percent without % symbol i.e. 0.943 is entered as 94.3)