you have been given the following actual and forecasted sales data for five monthsMonth  Actual sales  Forecasted sales  e   |e|   e^2   absolute % errorJan     200               210Feb     220               215Mar     250               240apr     300               290May     280               300Total Fill out the above table to calculate the mean absolute error, mean square error, and mean absolute percentage error. (do not use excel)

ENGR.ECONOMIC ANALYSIS
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ISBN:9780190931919
Author:NEWNAN
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Chapter1: Making Economics Decisions
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you have been given the following actual and forecasted sales data for five months
Month  Actual sales  Forecasted sales  e   |e|   e^2   absolute % error
Jan     200               210
Feb     220               215
Mar     250               240
apr     300               290
May     280               300
Total

Fill out the above table to calculate the mean absolute error, mean square error, and mean absolute percentage error. (do not use excel)

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