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9. Which of the following is the interquartile range of the data set shown below?

(1) 5.5
(2) 7
(3) 10.5
(4) 21


19, 22, 25, 28, 28, 32, 32, 32, 34, 40

User Afpro
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1 Answer

3 votes

Answer:

21

Explanation:

User Arnoldrob
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