Which of the Following Best Describes What May Be Used

question 59

Multiple Choice

Which of the following best describes what may be used when measuring the seasonal and random variation of a time series with no cyclical effect?

• A)The trend value ŷ.
• B)The ratio of the time series divided by the predicted values.
• C)The ratio of the time series divided by the moving average and the ratio of the time series divided by the predicted values.
• D)The ratio of the time series divided by the moving average.

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Definitions:

Music Industry

The sector of the economy that is responsible for the production, distribution, and promotion of music and its related products and services.

Newspaper Industry

The sector of the economy involved in the production and distribution of daily or weekly publications containing news, information, and advertising.

Primary Activities

Those business activities related to the production and distribution of the firm’s products and services, thus creating value.

Support Activities

Business activities that do not add value directly to a firm’s product or service under consideration but support the primary activities that do add value.