Heights of 30 people of a village are represented in a histogram given below.
How many people are having height between 149.5 cm and 169.5 cm?

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Solution

People whose height lies between 149.5 cm and 169.5 cm
= Sum of the length of bars (149.5 - 159.5), (159.5 - 169.5)
= 9 + 7 = 16

$∴$ 16 people have height between 149.5 cm and 169.5 cm.

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