Which of the Following Statements Is True Regarding the Sources

question 14

Multiple Choice

Which of the following statements is true regarding the sources of variation present in an analysis of regression?

• A) Regression variation measures variability in X, whereas residual variation measures variability in Y.
• B) The closer that data points fall to the regression line, the more the variance in Y will be attributed to regression variation.
• C) There are three sources of variation in an analysis of regression: regression variance, residual variance, and error variance.
• D) When most of the variability in Y is associated with residual variation, then X predicts Y.

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Definitions:

Population

The entirety of individuals or items under consideration for a statistical analysis or survey.

Parameter

A characteristic or measure that summarizes an aspect of a population or system, often used in statistical or mathematical models.

Descriptive Measure

Refers to statistics that summarize or describe the important characteristics of a data set, including measures like mean, median, and standard deviation.

Sample

A subset of a population selected for measurement, observation, or questioning to provide statistical information about the population.