Smoothing Time Series Data by the Moving Average Method or Exponential

question 212

Multiple Choice

Smoothing time series data by the moving average method or exponential smoothing method is an attempt to remove the effect of the:

• A)trend component
• B)cyclical component
• C)seasonal component
• D)random variation component

---

Definitions:

Dependent Variable

The variable in an experimental study that is expected to change or respond as a result of manipulations of the independent variable.

APA Format

A set of guidelines for writing and formatting research papers and reports, established by the American Psychological Association.

N.s.

Not significant; often used in statistical analysis to denote that the results do not reach a level of statistical significance.

Within-Subjects Research Design

A study design where the same group of subjects is exposed to all different treatment conditions, allowing comparisons of the effects within the same individuals.