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Data Collection

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Question 55

A sixth form college has 84 students in Year 12 and 56 students in Year 13.
The head teacher selects a stratified sample of 35 students, stratified by year group.

The sample consists of 21 students from Year 12 and 14 students from Year 13. Verify that this sample is proportional to the numbers of students in each year group.

[3]
Markscheme

Data Collection Questions

  1. A Level
  2. /Maths
  3. /Data Collection

59 exam-style questions on Edexcel A Level Maths Data Collection, covering 1.1 Populations and Samples, 1.2 Sampling, 1.3 Non-Random Sampling, 1.4 Types of Data, and 1.5 The Large Data Set. Each one has a worked solution and a mark scheme showing where the marks go.

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