For a Regression Analysis to Be Valid,the Error Variable Must

question 137

Short Answer

For a regression analysis to be valid,the error variable must have a mean of ____________________.

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Definitions:

Negative Correlation

A relationship between two variables in which an increase in one variable is associated with a decrease in the other.

Correlational Studies

Studies designed to yield information concerning the degree of relationship between two variables.

Ex Post Facto Design

A scientific study in which the values of the independent variable are not manipulated, but selected by the experimenter after the groups have naturally divided themselves.

Descriptive Research

A method of research that aims to observe and describe characteristics of a subject without influencing it.