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EPPP Psychology

Category - Research Methods and Statistics

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In addition to being measured by central tendency, group data can be measured by variability in descriptive statistics. What is the range of the following set? 2, 5, 20

9
18
13.6
11

Explanation

Answer: B - The range is the difference between the highest and lowest value in the entire set. In this case, 2 is the lowest and 20 is the highest; simply subtract 2 from 20 to get a range of 18.

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