College Math CLEP Prep Practice Exam

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What is the range of the following data set: [2, 6, 4, 5, 9, 1]?

The correct answer is: 1-9

A The range of a data set refers to the difference between the largest and smallest values in the set. In this case, the largest value is 9 and the smallest value is 1. Therefore, the range is 9-1, which simplifies to 1-9. This means that all the values in the data set fall between 1 and 9. B: While 2-6 is the range of a subset of the data set, it does not include the full range of the entire data set. C: Similarly, 4-9 does not include the smallest value of 1 in the range. D: This option is incorrect as 5 is not the smallest value in the data set and 1 is not the largest value, thus the range cannot be 5-1.