Question: Calculate the mean absolute deviation and a 6-month moving average for BMW using the data below Month Actual sales Forecast with ??=??.5 Absolute deviation January

Calculate the mean absolute deviation and a 6-month moving average for BMW using the data below Month Actual sales Forecast with ??=??.5 Absolute deviation January 400 425 25 February 422 March 437 April 455 May 476 June 496

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