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Raina Barajas
26 May, 11:41
What is the IQR of 64, 68, 70, 71, 72?
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Tanya Briggs
26 May, 12:24
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It's 8 because its 72 minus 64.
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Tyrese
26 May, 12:48
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IQR is the difference between Q3 and Q1
64, 68, 70, 71, 72
Q2 = 70
Q1 is the median of the lower half. That will be the average of 64 & 68.
(64+68) / 2 = 66
Q3 is the median of the upper half. That will be the average of 71 & 72.
(71+72) / 2 = 71.5
IQR = 71.5-66 = 5.5
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