Foundation
4th February 2025
- 1Stem and Leaf Diagrams
A stem-and-leaf diagram has rows: 0|5 8, 1|2 2 6, 2|1. How many data values are there in total?
- 2Histograms
Using the same histogram, how many students scored between 10 and 30 marks?
- 3Venn Diagrams
A rectangle labelled 20 contains two non-overlapping circles for events A and B with 8 and 5 inside them. How many outcomes are outside both circles?
- 4Frequency Polygons
Two frequency polygons are drawn on the same axes for boys' and girls' test scores. What feature of the graphs shows which group generally scored higher?
- 5Tree Diagrams
A coin is flipped twice. Find the probability of getting two heads.
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