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Class A: 1,2,3,3,4,4,4,4,5,3find the interqwarta le range

User AlexandrX
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1 Answer

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Class: 1,2,3,3,4,4,4,4,5,3

First, order from lowest to highest

1,2,3,3,3,4,4,4,4,5

Median = (1,2,3,3) 3, 4,(,4,4,4,5) = (3+4)/2 = 3.5

Find the median of the first and last half:

Q1 = 1,2,3,3,3.5 = 3

Q3 = 3.5,4,4,4,5 = 4

Then for the interquartile: Q3- Q1 = 4 -3 = 1

User RzR
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