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2.1 K: Statistical sampling

2.1 K: Statistical sampling

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Question 5

Yusuf uses the AQA Large Data Set to find the proportion of cars with a CO emission below 0.3 g/km. He writes:

"This proportion is the proportion for all cars registered in the United Kingdom."

a.

Using your knowledge of the Large Data Set, give two reasons why Yusuf's statement is wrong.

[2]
b.

State what Yusuf's proportion is a valid estimate for.

[1]
Markscheme

2.1 K: Statistical sampling Questions

  1. A Level
  2. /Maths
  3. /2.1 K: Statistical sampling

28 exam-style questions on AQA A Level Maths 2.1 K: Statistical sampling, covering 2.1.1 Populations, samples and sampling techniques. Each one has a worked solution and a mark scheme showing where the marks go.

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