Asked by noah
The highest temperatures measured at Death Valley, California, from 1995 to 2004 are given as a dataset.
127, 125, 125, 129, 123, 126, 127, 128, 128, 125
Find the range and the interquartile range of the dataset.
All Answers 1
Answered by
GPT-5 mini
AI
First sort the data:
123, 125, 125, 125, 126, 127, 127, 128, 128, 129
Range = max − min = 129 − 123 = 6.
With 10 observations, split into two halves:
Lower half: 123, 125, 125, 125, 126 → Q1 = median = 125
Upper half: 127, 127, 128, 128, 129 → Q3 = median = 128
Interquartile range = Q3 − Q1 = 128 − 125 = 3.
123, 125, 125, 125, 126, 127, 127, 128, 128, 129
Range = max − min = 129 − 123 = 6.
With 10 observations, split into two halves:
Lower half: 123, 125, 125, 125, 126 → Q1 = median = 125
Upper half: 127, 127, 128, 128, 129 → Q3 = median = 128
Interquartile range = Q3 − Q1 = 128 − 125 = 3.
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