Daily Practice

Foundation

11th March 2026

5 questions · Foundation tier · 282 questions in this band

1
Averages from a Frequency Table
Using the same table (0:4, 1:10, 2:4, 3:2), find the mean number of siblings.
2
Types of Data
State whether 'shoe size' is discrete or continuous, and explain why.
3
Estimated Mean from Grouped Data
The table shows ages, in years, of 50 people at a gym: 10-20 (freq 6), 20-30 (freq 18), 30-40 (freq 16), 40-50 (freq 10). Estimate the mean age.
4
Sampling Methods
A population has 200 members and a sample of 20 is needed using systematic sampling. Find the sampling interval.
5
Collecting Data
State whether interviewing shoppers face-to-face about their favourite supermarket is primary or secondary data collection.

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