The Sample Variance Is Approximately the Average of the Squared

question 148

True/False

The sample variance is approximately the average of the squared deviations of the measurements from their mean.

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Definitions:

T Score

A type of standardized score that has been adjusted to fit a normal distribution, typically with a mean of 50 and a standard deviation of 10.

Test-Retest Reliability

The consistency of a psychological test or assessment over time, measured by administering the same test to the same subjects at two different points in time.

Standard Error of Measurement (SEM)

A statistic that reflects the amount of error in the measurement of a score, indicating its accuracy and precision.