In the "additive" model for seasonality,seasonality is expressed as a ______________ adjustment to the average; in the multiplicative model,seasonality is expressed as a ______________ adjustment to the average.
A)quantity; proportion
B)proportion; quantity
C)quantity; quantity
D)proportion; proportion
E)index; quantity

Question

Quizplus · Accepted Answer

In the additive model, seasonality is expressed as a quantity adjustment (such as a fixed number) added to the average, while in the multiplicative model, seasonality is expressed as a proportion adjustment (such as a percentage) multiplied with the average.

In the "Additive" Model for Seasonality,seasonality Is Expressed as a ______________