Data Distribution

Question 4 • EF Math 12 1st Nine Weeks

Which of the following data sets has a range of 40?

Answer

{40, 10, 20, 100}

{40, 10, 20, 80}

{40, 10, 20, 50}

{40, 10, 20, 40}

Explanation

The range is the largest value minus the smallest value. In choice C, the largest value is 50 and the smallest is 10, so the range is 50 − 10 = 40. Therefore, the set {40, 10, 20, 50} has a range of 40.

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