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5 votes
25 8 10 20 30 35 5 40 45 what is the lower quartile of the data set?

User Bhollis
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1 Answer

5 votes
put the numbers in order
5, 8, 10, 20, 25, 30, 35, 40, 45

Q1 = (8 + 10) / 2 = 18/2 = 9
Q2 -- median = 25
Q3 = (35 + 40) / 2 = 75/2 = 37.5

the lower quartile (Q1) = 9
User Arthur C
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