Week Sales (1000s of gallons) 1 17 2 21 3 19 4 23 5 18 6 16 7 20 8 18 9 22 10 20 11 15 12 22 a. Compute four-week and five-week moving averages for the time series (to 2 decimals). Time Series 4-Week Moving 5-Week Moving Week Value Average Forecast (Error)2 Average Forecast (Error)2 Totals b. Compute the MSE for the four-week and five-week moving average forecasts (to 2 decimals). MSE (-Week) MSE (-Week) c. What appears to be the best number of weeks of past data (three, four, or five) to use in the moving average computation

a net is a diagram that shows a “flattened” view of a solid. in a net, each face and base is shown with all of its dimensions. a net can also serve as a pattern to build a three-dimensional solid.

a pyramid is a three-dimensional object with a base that is a polygon and triangular faces that meet at one vertex.

" the net of a triangular pyramid consists of four triangles. the base here we are given of the pyramid is a equilateral   triangle, and the lateral faces are also triangles "

mxb67

step-by-step explanation:

the answer is: -22 also a

hope i

-lavira: )