Find the mean and median of all the factors of 72???
(Ans of mean=16.25 and Median=8.5)
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Answer:
Factors of 72 = 1, 2, 3, 4, 6, 8, 9, 12,18, 24, 36, 72
Mean of factors of 72 = 1+2+3+4+6+8+9+12+18+24+36+72
12
= 195/12
= 16.25
Median of factors of 72 = 1/2(n/2 + n/2+1)
= 1/2 (12/2 + 12/2+1)
= 1/2 (6th term + 7th term)
= 1/2(8+9)
= 8.5
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