Two Forecasting Models Were Used to Predict the Future Values

question 139

Short Answer

Two forecasting models were used to predict the future values of a time series. The forecasts are shown below with the actual values.
Calculate the mean absolute deviation (MAD) for Model 1.

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Definitions:

Opera

A dramatic art form that combines text (libretto) and musical score, typically in a theatrical setting, involving singers and musicians.

Magical

Relating to, invoking, or possessing supernatural powers or qualities.

Proposition

A pronouncement that reveals a judgment or perspective.

Equivalent

Equal in value, amount, function, meaning, etc.