The Mean Test Score on a Statistics Test Was 72

question 14

Multiple Choice

The mean test score on a statistics test was 72 with a standard deviation of 10.How many standard deviations from the mean is a test score of 90?

• A)1.80 standard deviations above the mean
• B)1.80 standard deviations below the mean
• C)0.69 standard deviations above the mean
• D)0.80 standard deviations above the mean
• E)0.69 standard deviations below the mean

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Definitions:

Negative Association

A correlation between two variables in which one variable decreases as the other increases, indicating an inverse relationship.

Moderate Association

A statistical term describing a relationship between two variables that is not weak, but not strongly predictive either, often indicated by a correlation coefficient that is neither close to 0 nor to 1.

Moderately Strong Association

A statistical term indicating that there is a noticeable but not overwhelming relationship between two variables.

Little or No Association

A term used in statistics to describe a situation where there is minimal or no statistical relationship between two variables.