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The following table represents actual sales for the last 5 periods: (Round all answers to 2 decimal places) Period Forecast Sa les 122 153 146

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The following table represents actual sales for the last 5 periods:

(Round all answers to 2 decimal places)

image text in transcribed

Period Forecast Sa les 122 153 146 143 Use the Naive method to find forecasts and absolute errors. Period Sales 122 153 146 143 b) What is thevalue of Mean Absolute Deviation for this problem? Round your answer to 2 decimal places. c) What is the value of Mean Square Error for this problem? IErrorl

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