Daily Practice

Foundation

17th May 2026

5 questions · Foundation tier · 282 questions in this band

1
Combined Mean
Group A has 10 items with mean 50. Group B has 5 items with mean 80. Find the combined mean.
2
Designing Questionnaires and Surveys
A survey question offers the response options 'Never, Sometimes, Always'. State one improvement that could be made.
3
Experimental Design
What is meant by a control variable?
4
Median Quartiles and IQR
For the ordered data 2, 4, 5, 7, 8, 9, 11, 13, 14, find the lower quartile (Q1) and upper quartile (Q3).
5
Index Numbers
The price of milk was 0.80 pounds in the base year and 0.92 pounds this year. Find the index number for milk this year.

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