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Consider the following time series data. Week 1 2 3 4 5 6 Value 18 14...

Consider the following time series data.

Week 1 2 3 4 5 6
Value 18 14 17 12 17 14

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



Which method provides the most accurate forecasts?
SelectNaiveHistorical dataItem 7

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