In the Study of 30 Pairs of Scores in a Pearson

question 5

Multiple Choice

In the study of 30 pairs of scores in a Pearson correlation, what are the degrees of freedom?

• A)30
• B)29
• C)28
• D)15

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Definitions:

Gas Mileage

A measure of a vehicle's fuel efficiency, typically represented as miles per gallon (MPG).

Kilowatt-Hours

A unit of energy measurement equivalent to the power consumption of one thousand watts for one hour.

Linear Model

A statistical method that describes the relationship between two or more variables using a straight line.

Regression

A statistical method used to understand the relationship between a dependent variable and one or more independent variables.