Mathematics, 18.07.2021 18:40, AmityHeart

What are the first and third quartiles for the following data set? 12, 15, 18, 16, 14, 9, 12, 21
A 9 and 21
C 12 and 17
B 12 and 16
D 15 and 17

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What are the first and third quartiles for the following data set? 12, 15, 18, 16, 14, 9, 12, 21