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Edexcel IGCSE Math A Foundation 6.2 C Estimating the Mean From Grouped Data Questions

Practise estimated-mean questions by finding midpoints, multiplying by frequencies and dividing by the total frequency carefully.

Syllabus
First assessment 2018
Course
Math A 4MA1
Level
Foundation

Exam points

  • Find class midpoints from grouped intervals before estimating the total.
  • Multiply each midpoint by its frequency and divide by the total frequency.
  • State that the result is an estimate because grouped data uses interval midpoints.

Edexcel IGCSE Math A Foundation 6.2 C Estimating the Mean From Grouped Data Questions question 1

[Maximum number: 4]

The table gives information about the distances 100 adults travel to work.

Table for Question Edexcel IGCSE Math A Foundation 6.2 C Estimating the Mean From Grouped Data Questions question 1 — Edexcel IGCSE Math A Foundation

Work out an estimate for the mean distance.

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