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Week 1 2 3 4 5 6 Value 18 14 16 11 18 15 Calculate the...

Week 1 2 3 4 5 6
Value 18 14 16 11 18 15

Calculate the measures of forecast error using the naive (most recent value) method and the average of historical data (to 2 decimals).

Naive method Historical data
Mean absolute error
Mean squared error
Mean absolute percentage error
Math   Statistics-And-Probability   
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