Question: The table below shows forecasts for Sales ($m) for the four time periods using a forecasting technique F 1 Year Sales ($m) F 1 ($m)

The table below shows forecasts for Sales ($m) for the four time periods using a forecasting technique F1

Year

Sales ($m)

F1 ($m)

2011

1.9

2.9

2012

2.9

3.5

2013

4.7

4.4

2014

3.7

3.5

Determine the Mean Absolute Deviation, MAD1 for the forecast F1 and enter the value in the box below

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