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olya-2409 [2.1K]
3 years ago
5

What is the interquartile for this set of data? 11,19,35,42,60,72,80,85,88

Mathematics
1 answer:
exis [7]3 years ago
4 0

Answer:

55.5

Step-by-step explanation:

find the median - in this case it's 60

then group the upper and lower halves of the data:

(11, 19, 35, 42) 60 (72, 80, 85, 88)

now we find the medians of those sets:

35 + 19/2 = 54/2 =27

80 + 85/2 = 165/2 = 82.5

then subtract those two medians to find the interquartile:

82.5 - 27 = 55.5

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