The range of the data set {5, 5, 7, 9, 12} is?

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Prepare for the Certify Teacher EC-6 (391) Mathematics Exam. Utilize multiple choice questions, flashcards, and explanations to excel in your assessment. Gear up for success!

Multiple Choice

The range of the data set {5, 5, 7, 9, 12} is?

Explanation:
Range measures how spread out the data are by taking the difference between the largest and smallest values. In this set, the smallest value is 5 and the largest is 12. Subtracting gives 12 − 5 = 7, so the range is 7. The repeated 5s don’t affect the range since only the extremes matter.

Range measures how spread out the data are by taking the difference between the largest and smallest values. In this set, the smallest value is 5 and the largest is 12. Subtracting gives 12 − 5 = 7, so the range is 7. The repeated 5s don’t affect the range since only the extremes matter.

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