Standardised rates (AQA GCSE Statistics): Flashcards
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What is the purpose of standardised rates in statistics?
What is the purpose of standardised rates in statistics?
They allow fair comparisons between different populations.
How do you calculate the standard population?
How do you calculate the standard population?
Use: (number in age group × 1000) ÷ total population.
What is the formula for standardised rate?
What is the formula for standardised rate?
Standardised rate = (crude rate ÷ 1000) × standard population.
Why are crude rates misleading in health statistics?
Why are crude rates misleading in health statistics?
They don't account for age differences in populations.
What percentage of the population is aged 0-19?
What percentage of the population is aged 0-19?
The population percentage for ages 0-19 is 24%.
Calculate crude death rate for 42 deaths in 100,000 people.
Calculate crude death rate for 42 deaths in 100,000 people.
Crude death rate = 42 deaths per 100,000 people.
What is the standardised rate for the 0-19 age group?
What is the standardised rate for the 0-19 age group?
The standardised rate is 0.06 for the 0-19 age group.
What does a standardised death rate of 6.13 indicate?
What does a standardised death rate of 6.13 indicate?
Approximately 6 deaths per 1000 in that age group.
Why is it important to calculate standard population first?
Why is it important to calculate standard population first?
It ensures accurate standardised rate calculations.
What common mistake to avoid with crude and standardised rates?
What common mistake to avoid with crude and standardised rates?
Don't confuse them; crude rates don't adjust for age.