I If the Coefficient of Determination Is 0

question 122

Multiple Choice

i. If the coefficient of determination is 0.81, what is the coefficient of correlation? ii. If the coefficient of correlation is -0.81, what is the coefficient of determination?
iii. If the dependent variable is measured in dollars, in what units is the standard error of estimate measured?

• A) +/-0.9; 0.6561; dollars squared.
• B) +/-0.9; 0.6561; dollars.
• C) 0.6561; 0.9; dollars.
• D) 0.6561; +/-0.9; dollars squared.
• E) 0.9; -0.9; dollars squared.

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Definitions:

Marijuana Legalization

The process of removing legal prohibitions against marijuana, allowing for its use and possession within certain guidelines.

Asymmetrical

Describing a shape or distribution that does not mirror evenly across a central axis.

Peaked

Describes a distribution that has a sharper or higher peak compared to a normal distribution.

Grouped Frequency Distribution

A method in statistics for organizing data into intervals or groups to display the frequencies of observations within each group.