Daily Practice

Foundation

31st July 2026

5 questions · Foundation tier · 282 questions in this band

1
Comparing Data Sets
Team 1 has median height 165 cm and Team 2 has median height 172 cm. Write one comparison in context.
2
Combined Mean
Group A has 6 items with mean 15. Group B has 9 items with mean 25. Find the combined mean.
3
Designing Questionnaires and Surveys
Rewrite the response options '0-5, 5-10, 10-15' so that they no longer overlap.
4
Experimental Design
A scientist tests a new plant food but only uses it on the healthiest-looking plants. Explain why this is a flawed design.
5
Median Quartiles and IQR
Two classes have the same median test score. Class A has IQR = 6 and Class B has IQR = 15. Which class's scores are more consistent, and why?

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