For Which of the Following Pearson Correlations Would the Data

question 58

Multiple Choice

For which of the following Pearson correlations would the data points be clustered most closely around a straight line?

• A)-0.10
• B)+0.40
• C)-0.70
• D)There is no relationship between the correlation and how close the points are to a straight line.

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Definitions:

Regression

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

Variance

Average squared deviation from the mean.

Degrees Freedom

Degrees of freedom refer to the number of independent values or quantities which can be assigned to a statistical distribution or to the number of variables minus the number of constraints in a system.

F-ratio Equation

A statistic used in ANOVA tests, calculated as the variance between group means divided by the variance within the groups.