Daily Practice

Foundation

14th September 2026

5 questions · Foundation tier · 282 questions in this band

1
Stratified Sampling (Foundation)
A company has 60 male and 90 female employees (150 total). A stratified sample of 30 employees is taken. How many males should be sampled?
2
Pilot Surveys (Foundation)
A pilot survey shows that many respondents left a question blank. What might this suggest about the question?
3
Recognising Misleading Graphs (Foundation)
A pie chart is drawn showing 3 sectors that look visually equal in size, but the data is 50%, 30% and 20%. What is wrong?
4
Mean Median Mode and Range
Find the range of 22, 9, 31, 14, 6, 27.
5
The Statistical Enquiry Cycle
A researcher draws a bar chart from her results. Which stage of the cycle is this?

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