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Question
Question 74(ii)
The following chart gives the growth in height in terms of percentage of full height of boys and girls with their respective ages.
Age(in Years)89101112131415161718Boys(in percentage)72757881848892959899100Girls(in percentage)778184889195989999.5100100
Draw the line graph of above data on the same sheet and answer the following questions.
Who grows faster at puberty (14 years to 16 years of age)?
The following chart gives the growth in height in terms of percentage of full height of boys and girls with their respective ages.
Age(in Years)89101112131415161718Boys(in percentage)72757881848892959899100Girls(in percentage)778184889195989999.5100100
Draw the line graph of above data on the same sheet and answer the following questions.
Who grows faster at puberty (14 years to 16 years of age)?
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Solution
Between the ages of 14 and 16 years, the height of girls increased by 6% (from 92% to 98%). The height of boys in the same age group increased by 1.5% (from 98% to 99.5%).
∴ Girls grew faster during puberty.
Between the ages of 14 and 16 years, the height of girls increased by 6% (from 92% to 98%). The height of boys in the same age group increased by 1.5% (from 98% to 99.5%).
∴ Girls grew faster during puberty.
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