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Edexcel IGCSE Math A Higher 6.1 Hb Cumulative Frequency Diagrams From Tabulated Data Questions

Practise cumulative-frequency questions by adding running totals, plotting upper-class-boundary points and drawing a smooth curve.

Syllabus
First assessment 2018
Course
Math A 4MA1
Level
Higher

Exam points

  • Complete a cumulative frequency table by adding running totals across classes.
  • Plot cumulative frequency points at upper class boundaries and draw the curve.
  • Use the completed graph to support later estimates of medians or quartiles.

Edexcel IGCSE Math A Higher 6.1 Hb Cumulative Frequency Diagrams From Tabulated Data Questions question 1

[Maximum number: 3]

The frequency table gives information about the times, in minutes, that 60 people took to complete a puzzle.

Table for Question Edexcel IGCSE Math A Higher 6.1 Hb Cumulative Frequency Diagrams From Tabulated Data Questions question 1 — Edexcel IGCSE Math A Higher

Question (a)

(a)

Complete the cumulative frequency table.

Table for Question (a) — Edexcel IGCSE Math A Higher
[ 1 ]

Question (b)

(b)

On the grid opposite, draw a cumulative frequency graph for your table.

Figure for Question (b) — Edexcel IGCSE Math A Higher
[ 2 ]
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