Skip to content

Course home

2.1 Sampling

2.1 Sampling

EasyMediumHard
12345678910111213
Question 10

A school has 573 students. There are 53 Year 11 girls; the remaining students are in other sex-and-year strata.

A sample of 60 students is stratified by sex and year group. Calculate the number of Year 11 girls to select.

[2]
Markscheme

2.1 Sampling Questions

  1. A Level
  2. /Maths
  3. /2.1 Sampling

36 exam-style questions on OCR (MEI) A Level Maths 2.1 Sampling, covering 2.1.1 Population and sample, 2.1.2 Samples to make informal inferences, 2.1.3 Random sampling, 2.1.4 Variety of sampling techniques, 2.1.5 Select or evaluate sampling techniques, and 2.1 Sampling. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank