Daily Practice

Foundation

25th July 2026

5 questions · Foundation tier · 282 questions in this band

1
Histograms
A histogram has unequal class widths. Explain why the height of a bar can no longer be read directly as the frequency.
2
Venn Diagrams
In a Venn diagram, what does the region where two circles overlap represent?
3
Frequency Polygons
What value do you plot on the horizontal axis for each class of a frequency polygon?
4
Tree Diagrams
A spinner has P(win) = 0.3. It is spun twice, independently. Find the probability of winning both times.
5
Cumulative Frequency
A cumulative frequency graph shows that a cumulative frequency of 45 corresponds to a value of 60 on the horizontal axis, out of 90 total data values. How many data values are above 60?

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