Daily Practice

Foundation

10th September 2026

5 questions · Foundation tier · 282 questions in this band

1
Histograms
A histogram has bars of equal width. True or false: the height of each bar represents the frequency for that class.
2
Venn Diagrams
Events A and B are mutually exclusive with P(A) = 0.3 and P(B) = 0.25. Find P(A or B).
3
Frequency Polygons
A frequency polygon has classes of unequal width: 0-10 and 10-30. Explain why comparing the heights of the two plotted points directly can be misleading.
4
Tree Diagrams
Three branches from a single point are labelled 0.4, 0.35 and x. Find x.
5
Cumulative Frequency
On a cumulative frequency graph, what do you plot each cumulative frequency against?

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