For the Same Value of X (Independent Variable), the Confidence

question 143

Multiple Choice

For the same value of X (independent variable) , the confidence interval for the average value of Y (dependent variable) is ________ the prediction interval for the individual value of Y.

• A) larger than
• B) smaller than
• C) the same as
• D) sometimes larger than, sometimes smaller than

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Definitions:

Causation

The relationship between cause and effect where one event directly results in another.

Correlated

Two variables are correlated if their values tend to move together.

Variables

Elements, features, or factors that are likely to change or vary within the context of a research study or scientific experiment.

Usage Tax

A tax imposed on specific goods and services that is usually proportionate to the level of consumption or use.