Population pyramids (AQA GCSE Statistics): Flashcards
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What do population pyramids display?
What do population pyramids display?
They show the age structure of a population.
What is the position of males and females in population pyramids?
What is the position of males and females in population pyramids?
Males are shown on the left, females on the right.
How are age groups arranged in a population pyramid?
How are age groups arranged in a population pyramid?
Youngest ages are at the bottom, oldest at the top.
Why must both sides of a pyramid use the same scale?
Why must both sides of a pyramid use the same scale?
To ensure fair and accurate comparisons.
How do you find the percentage of males under 30?
How do you find the percentage of males under 30?
Add percentages of males aged 0-14 and 15-29.
What is the total percentage of females aged 45 or over?
What is the total percentage of females aged 45 or over?
Add percentages of females aged 45-59, 60-74, 75+.
What common mistake involves reading the wrong side?
What common mistake involves reading the wrong side?
Confusing male data (left) with female data (right).
What should you check when reading horizontal axis labels?
What should you check when reading horizontal axis labels?
Whether values are actual numbers or percentages.
What is a common error when adding age group percentages?
What is a common error when adding age group percentages?
Forgetting to include all relevant age bands.
What shape do population pyramids typically form?
What shape do population pyramids typically form?
A pyramid shape due to higher birth rates.