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What is the interquartile range of the data set 115, 98, 118, 102, 96, 90, 125, 94, 85, 100, 104
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What is the interquartile range of the data set 115, 98, 118, 102, 96, 90, 125, 94, 85, 100, 104

User Kevin Kuszyk
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1 Answer

1 vote

Answer:

21

Explanation:

1. Re-order numbers from low to high

85, 90, 94, 96, 98, 100, 102, 104, 115, 118, 125

2. Find Q1 and Q3: they are the middle number of top and bottom half of the data

Q1 is 94, Q3 is 115

3. Find IQR

IQR = Q3 - Q1 = 115 - 94 = 21

User Jahid Mahmud
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