Foundation
10th December 2024
- 1Venn 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?
- 2Frequency 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?
- 3Tree Diagrams
A coin is flipped twice. Find the probability of getting two heads.
- 4Cumulative Frequency
For 80 data values, at what cumulative frequency do you read across to find the lower quartile?
- 5Box Plots
A box plot has lower quartile 10 and upper quartile 22. Find the interquartile range.
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