Daily Practice

Higher

1st December 2024

5 questions · Higher tier · 360 questions in this band

1
Histograms
A histogram for exam scores has bars of equal width 10 marks, covering 0-10, 10-20, 20-30, 30-40, with heights 2, 8, 15, 5. How many students took the exam?
2
Venn Diagrams
A Venn diagram shows 40 people: 22 own a car, 15 own a bike, 6 own both. Find the probability a random person owns neither.
3
Frequency Polygons
A frequency table has classes 0-10, 10-20, 20-30 with frequencies 3, 9, 6. State all three coordinates for the frequency polygon.
4
Tree Diagrams
A coin is flipped twice. Find the probability of getting two heads.
5
Cumulative Frequency
A cumulative frequency graph for 80 data values is used to estimate the median. At what cumulative frequency value do you read across to the curve?

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