AP Psychology: Science Practices - Set C
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Last updated 8:29 PM on 12/9/25
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7 Terms
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Central tendency
a number that describes something about the "average" score of a distribution (mean, median, mode)
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Mean
the arithmetic average of a distribution, obtained by adding the scores and then dividing by the number of scores
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Median
the middle score in a distribution; half the scores are above it and half are below it
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Mode
The value that occurs most frequently in a given data set.
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Variation
the dispersion among data values (i.e., how far apart they are from each other)
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Percentile rank
the percentage of scores below a specific score in a distribution of scores
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Range
the difference between the highest and lowest scores in a distribution
Note 
Flashcards (21)