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What is the Q1 (first quartile) for the data set? 11, 6, 19, 14, 21, 7, 13, 15, 15 A. 8 B. 9 C. 15 D.17
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What is the Q1 (first quartile) for the data set?

11, 6, 19, 14, 21, 7, 13, 15, 15

A. 8
B. 9
C. 15
D.17

User Ihor Romanchenko
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1 Answer

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The first quartile,(also written as Q1), is the number for which 25% of values in the data set .The first quartile is 9 so B is the answer.
User Miroslav Zadravec
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