Daily Practice

Higher

12th July 2026

5 questions · Higher tier · 360 questions in this band

1
Histograms
A histogram of ages has 5 equal-width bars covering 0-10, 10-20, 20-30, 30-40, 40-50 with heights 3, 7, x, 9, 2, and a total of 35 people. Find x.
2
Venn Diagrams
Out of 25 pupils, 12 like football, 9 like tennis, and 4 like both. How many like neither sport?
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
A bag has 4 green and 6 yellow balls. One ball is drawn, replaced, then a second is drawn. Find P(both yellow).
5
Cumulative Frequency
On a cumulative frequency graph, what do you plot each cumulative frequency against?

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