Below You Are Given the First Five Values of a Quarterly

question 13

Multiple Choice

Below you are given the first five values of a quarterly time series. The multiplicative model is appropriate and a four-quarter moving average will be used. ​ An estimate of the seasonal-irregular component for Quarter 3 of Year 1 is

• A) .64.
• B) 1.5625.
• C) 5.333.
• D) 30.

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Definitions:

Confounding Variable

An outside influence that changes the effect of a dependent and independent variable being examined in an experimental or observational study.

Independent Variable

A variable in an experiment that is manipulated or changed by the researcher to observe its effects on the dependent variable.

Covaries

When two variables change in relation to each other, suggesting a potential relationship or correlation between the two.

Double-Blind Procedure

A research or testing method in which neither the participants nor the experimenters know who is receiving a particular treatment, to prevent bias.