I the Ratio-To-Moving Average Method Removes the Time Series Trend

question 136

Multiple Choice

i. The ratio-to-moving average method removes the time series trend component, resulting in 12
Numbers that are called specific seasonals.
ii. For a quarterly time series, the initial step, using the ratio-to-moving average method, is to
Remove the seasonal components from the time series using a 3-month centered moving average.
iii. In the ratio-to-moving-average procedure, using the median or modified mean eliminates trend.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) and (ii) are correct statements but not (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements but not (i).
• E) (ii) is a correct statement but (i) and (iii) are incorrect.

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Definitions:

Operant Conditioning

An approach to teaching that relies on using incentives and penalties for actions, focusing on how outcomes affect actions.

Classical Conditioning

Learning by the method of associating an environmental stimulus with one that happens naturally.

Shaping

A method of teaching new behaviors through the use of reinforcement of successive approximations toward a desired behavior.

Worker Productivity

The amount of work or output produced by an employee within a certain period of time.