When a Researcher Is Studying One Variable at a Time

question 42

True/False

When a researcher is studying one variable at a time, it is called univariate statistical analysis.

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Definitions:

MSE

Mean Squared Error, a measure of the average of the squares of the errors—that is, the difference between the estimator and what is estimated.

F-test Statistic

A statistical test used to compare the variances of two populations to investigate whether they are equal.

Regression Equation

An equation derived from regression analysis that expresses the predicted value of the dependent variable as a function of one or more independent variables.

Independent Variable

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