Daily Practice

Foundation

2nd February 2026

5 questions · Foundation tier · 282 questions in this band

1
Sampling Methods
A gym has 900 members. A sample of 45 is needed using systematic sampling, with a random start of 12. Find the 4th person selected.
2
Collecting Data
Give one advantage of using a questionnaire to collect data.
3
Comparing Data Sets
Two classes sit the same test. Class P: mean 70, range 10. Class Q: mean 55, range 30. Write a full comparison.
4
Combined Mean
Group A has 4 items with mean 12. Group B has 4 items with mean 20. Find the combined mean.
5
Designing Questionnaires and Surveys
What is wrong with the question 'How old are you and do you smoke?'

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