Question: (b) Develop three-month and four-month moving averages for this time series. If required, round your answers to two decimal places. 3 Month 4 Month Month

(b) Develop three-month and four-month moving averages for this time series. If required, round your answers to two decimal places. 3 Month 4 Month Month Sales Moving Average Moving Average 9.7 2 9.4 3 9.6 4 9.8 9.57 5 9.8 9.60 9.63 6 9.5 9.73 9.65 9.6 9.70 9.68 8 10.7 9.93 9.90 9 9.7 10.00 9.88 10 9.7 10.03 9.88 11 9.7 10.03 9.93 12 9.8 9.73 9.93 Enter the Mean Square Errors for the three-month and the four-month moving ave
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