ACT Math · Statistics and data analysis
What is the range of the data set 5, 7, 9, 11, 50?
What is the range of the data set 5, 7, 9, 11, 50?
Answer and explanation
Answer: H: 45
The range is the maximum minus the minimum: , choice H. The large value stretches the range, because it is far from the other four values, which lie between and . Choice J () is the maximum value alone. Choice F () is the range of the first four values, . Choice G () is the median. The range measures the whole spread of the data, so it is sensitive to outliers like .
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