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2.5 O: Statistical hypothesis testing

2.5 O: Statistical hypothesis testing

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Question 71

A hypothesis test for a binomial proportion is carried out at the 5% significance level, using a random sample from a large population.

a.

Explain what is meant by the significance level of the test.

[2]
b.

Explain why the conclusion of the test is a statement about the population and not about the sample.

[1]
c.

State the effect on the conclusion of using a 1% significance level instead of a 5% level, when the p-value of the test is 0.03.

[1]
Markscheme

2.5 O: Statistical hypothesis testing Questions

  1. A Level
  2. /Maths
  3. /2.5 O: Statistical hypothesis testing

162 exam-style questions on AQA A Level Maths 2.5 O: Statistical hypothesis testing, covering 2.5.1 Language of hypothesis testing, 2.5.2 Hypothesis test for a binomial proportion, and 2.5.3 Hypothesis test for a Normal mean (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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