alleryStart learning →Ages 5-10, 10-15, 15-20, 20-25 have frequencies 6, 14, 12, 8. What percent are aged 10 to 20?
A65 percent
B70 percent
C55 percent
D60 percent
Answer & Solution
Correct answer: A. 65 percent
The middle classes hold 14 + 12 = 26 of 40, which is 65 percent.
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