Examlex
________ variables are manipulated by researchers; ________ variables are only measured.
Q3
The third quartile in a data set, representing the midpoint between the median and the highest value of the dataset.
Percentile Points
Values that divide a set of observations into 100 equal parts, often used to interpret scores in tests.
Distribution
The spread of values within a dataset, representing how often each value occurs.
T Scores
Standardized scores with a mean of 50 and a standard deviation of 10, used to compare an individual's result to a norm group.
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