Daily Practice

Foundation

18th August 2026

5 questions · Foundation tier · 282 questions in this band

1
Types of Data
A student uses last year's census results for her project instead of running her own survey. Is this primary or secondary data?
2
Estimated Mean from Grouped Data
A table has class intervals with frequency x midpoint totals of 45, 120, 90 and frequencies 5, 8, 6. Find the estimated mean.
3
Sampling Methods
State one disadvantage of quota sampling.
4
Collecting Data
A student uses figures from a government website for her project. Is this primary or secondary data?
5
Comparing Data Sets
Class A has a mean test score of 62 and Class B has a mean of 58. Which class did better on average?

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