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QuizMultiple Choice

Range and Interquartile Range

Question 1 • Concepts in Probability and Statistics A

Which method can be used to find the range of a set of data?

Answer
A
Find the difference between the maximum and minimum values.
B
Find the difference between the upper and lower quartiles.
C
Find the median of the upper half of an ordered data set.
D
Find the sum of the maximum and minimum values.

Explanation

To find the range, subtract the smallest value from the largest value: range = maximum − minimum. Therefore, the correct choice is “Find the difference between the maximum and minimum values.” The difference between the upper and lower quartiles gives the interquartile range, not the full range.

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