Which Measure of Variation Is Affected Most by a Few

question 20

Multiple Choice

Which measure of variation is affected most by a few extreme scores?

• A) standard deviation
• B) mean
• C) median
• D) range

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Definitions:

Independent Variable

An independent variable is a variable that is manipulated or categorically separated in an experiment to observe its effect on a dependent variable.

Regression Line

A line of best fit through a scatter plot of data points that shows the relationship between independent and dependent variables in regression analysis.

Sum of Squares

A statistical technique used to describe the total variation in a dataset.

Regression

A statistical approach for modeling how a dependent variable is related to one or more independent variables.