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Please help me understand how to do the below in Excel Q1 10 Marks a) Develop the 2-months and 3-months moving averages for the supermarket

Please help me understand how to do the below in Excel

Q1 10 Marks

a) Develop the 2-months and 3-months moving averages for the supermarket sales.

Note: use data analysis tool pack. 5 Marks

b) Which moving average appears to provide more accurate forecasts based on MAD? Explain.

Note: show your MAD calculations. 5 Marks

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