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2 Statistics

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Question 137

A college has 300 first-year, 240 second-year and 210 third-year students. A proportional stratified sample of 60 is taken.

a.

Calculate the number from each year.

[3]
b.

State how the students should be selected within each year.

[1]
Markscheme

2 Statistics Questions

  1. A Level
  2. /Maths
  3. /2 Statistics

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