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 Form 4 Geography online lessons on statistical methods

How to calculate percentages of males and females in each cohort of an age-sex pyramid

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Answer Text:
How to calculate percentages of males and females in each cohort for age-sex pyramid
1.Calculate the number in each age group as a percentage of the total population as shown in the table.
figstatisticalmethods4720201056.JPG
2. Choose a suitable scale to represent the percentage of males and females in each age-group. Example, from the table, 0.5cm represents 2 % on the horizontal axis.
3. Draw a pyramid using the scale and percentages.
figstatisticalmethods4720201057.JPG


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