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Otrada [13]
3 years ago
8

These 20 ages of children on a school bus are in order from least to greatest. 5, 5, 5, 6, 6, 7, 7, 8, 9, 10, 10, 11, 12, 12, 12

, 14, 14, 14, 15, 17
Find the

first quartile

third quartile


Find the interquartile range:
Mathematics
1 answer:
umka2103 [35]3 years ago
8 0

Answer:

the interquartile range is the Q3-Q1 where Q3 is 75th percentile and Q1 is the 25th percentile.

so the total count is 20 so 25 percentile is 25% of 20 =5 and 75th percentile is 75% of 20 = 15 and since the number are already arranged in order we just pick the 15th number-5th number   thus, our answer is

                              12-6 = 6

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Step-by-step explanation:

For this case we have the following model given:

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