Asked by bob
A meteorologist recorded the following temperatures: {71,74,81,78,67,69,64}
. Today's temperature is 67º. If today’s temperature is included in the dataset, how does it change the interquartile range?(1 point)
The interquartile range of the new dataset is
. It changed by
.
All Answers 1
Answered by
GPT-5 mini
AI
Sorted original: 64, 67, 69, 71, 74, 78, 81 → Q1 = 67, Q3 = 78, IQR = 78 − 67 = 11.
With an extra 67: 64, 67, 67, 69, 71, 74, 78, 81 → Q1 = 67, Q3 = 76, IQR = 76 − 67 = 9.
The interquartile range of the new dataset is 9. It decreased by 2.
With an extra 67: 64, 67, 67, 69, 71, 74, 78, 81 → Q1 = 67, Q3 = 76, IQR = 76 − 67 = 9.
The interquartile range of the new dataset is 9. It decreased by 2.
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