What is the range of the data set {2, 5, 5, 7, 9}?

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Prepare for the Praxis Elementary Education Mathematics Test. Engage with flashcards and multiple choice questions, each with hints and explanations. Enhance your chances for exam success!

Multiple Choice

What is the range of the data set {2, 5, 5, 7, 9}?

Explanation:
Range tells you how spread out the data are by looking at the smallest and largest values. It’s found by subtracting the smallest value from the largest value. In this set, the smallest number is 2 and the largest is 9, so the range is 9 − 2 = 7. The repeated 5s don’t change the min or max, so they don’t affect the range. Therefore, the range is 7.

Range tells you how spread out the data are by looking at the smallest and largest values. It’s found by subtracting the smallest value from the largest value. In this set, the smallest number is 2 and the largest is 9, so the range is 9 − 2 = 7. The repeated 5s don’t change the min or max, so they don’t affect the range. Therefore, the range is 7.

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