Researchers measure variation in three ways: range, percentile, and standard deviation.

Name: Researchers measure variation in three ways: range, percentile, and standard deviation.
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Range measures the difference between the highest and lowest values, percentile measures the position of a value relative to the rest of the distribution, and standard deviation measures how much the values deviate from the mean.

Researchers Measure Variation in Three Ways: Range, Percentile, and Standard