what is sex pyramed ? how does it help in population studies
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The Most Useful Graphs in Population Geography
Age-sex pyramids (also known as population pyramids) graphically display this information to improve understanding and make comparison easy. When displaying a growing population, they sometimes have a distinctive pyramid-like shape.
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Age-sex pyramids (also known as population pyramids) graphically display this information to improve understanding and make comparison easy. When displaying a growing population, they sometimes have a distinctive pyramid-like shape
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