Could someone please help me figure this out and make sure to round the answers

Question

Could someone please help me figure this out and make sure to round the answers to two decimal places? Thank you so much!

(a) Compute four-week and five-week moving averages for the time series If required, round your answers to two decimal places 4 Period 5 period Moving Average Moving Average Sales 17 21 19 23 18 Week 4 16 20 18 20.25 20.25 19 20.5 4.05 8.1 11.9 16 19.75 19.65 19.6 6 7 8 9 18.75 10 20 19.75 20 19 15 12 (b) Compute the MSE for the four-week and five-week moving average forecasts If required, round your intermediate calculations to four decimal places and round your final answers to three decimal places MSE for four-week moving average MSE for five-week moving average-

Explanation / Answer

a)

a)from above :

MSE for 4 week =9.65

MSE for 5 week =7.63

forecast forecast week sales 4 period 5 period 1 17 2 21 3 19 4 23 5 18 20 6 16 20.25 19.6 7 20 19 19.4 8 18 19.25 19.2 9 22 18 19 10 20 19 18.8 11 15 20 19.2 12 22 18.75 19

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