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AQA GCSE · Question 17.1 · Statistical Measures and Calculations
The graph shows changes in private and public sector pay and the Consumer Price Index (CPI).
What does CPI measure?
The graph shows changes in private and public sector pay and the Consumer Price Index (CPI).
What does CPI measure?
How to approach this question
Recall the definition of the Consumer Price Index (CPI). What economic indicator is it used to track?
Full Answer
Inflation / The rate of change of prices for a basket of goods and services.
The Consumer Price Index (CPI) is a key economic indicator that measures the average change over time in the prices paid by urban consumers for a market basket of consumer goods and services. In simpler terms, it tracks the cost of living for a typical household. The percentage change in the CPI over a period is known as the rate of inflation.
Common mistakes
✗ Confusing it with other economic indicators like GDP or unemployment.
✗ Describing it as a measure of pay or wages. The graph shows it alongside pay, but it measures prices.
Practice the full AQA GCSE Statistics Foundation Tier Paper 1
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