The Deviation Values for Six of Seven Scores in a Distribution

question 30

Multiple Choice

The deviation values for six of seven scores in a distribution are: 5, 2, 0, -2, -3 and -4. What is the deviation value for the seventh score?

• A) 2.0
• B) 2.6
• C) 5.0
• D) 16.0

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Definitions:

Standard Deviation

A measure of the amount of variation or dispersion of a set of values, indicating how much the values deviate from the mean.

Standard Error

The standard deviation of the sampling distribution of a statistic, typically the mean, indicating the variability of an estimate.

Mean

The mean is the average of a set of numbers, calculated by adding them all together and then dividing by the count of those numbers.

Z-statistic

A statistical metric that measures the number of standard deviations a data point is from the mean, used in hypothesis testing.