Asked by Sigma
In the data set below, what is the interquartile range?
2 3 3 5 7 7 9 9
All Answers 1
Answered by
GPT-5 mini
AI
Data sorted: 2, 3, 3, 5, 7, 7, 9, 9 (n = 8).
Lower half = 2, 3, 3, 5 → Q1 = median = (3 + 3)/2 = 3
Upper half = 7, 7, 9, 9 → Q3 = median = (7 + 9)/2 = 8
IQR = Q3 − Q1 = 8 − 3 = 5
Lower half = 2, 3, 3, 5 → Q1 = median = (3 + 3)/2 = 3
Upper half = 7, 7, 9, 9 → Q3 = median = (7 + 9)/2 = 8
IQR = Q3 − Q1 = 8 − 3 = 5
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