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4.6 Statistical hypothesis testing (A-level only)

4.6 Statistical hypothesis testing (A-level only)

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Question 3

A hypothesis test uses a random sample to test H0:p=0.40H_0:p=0.40H0​:p=0.40 against H1:p<0.40 H_1:p<0.40\,H1​:p<0.40 at the 5% level of significance.

a.

State what the population parameter p p\,p represents.

[1]
b.

Explain why the sample, rather than the whole population, is used to make the decision.

[1]
c.

Explain what the 5% level of significance means in this test.

[2]
Markscheme

4.6 Statistical hypothesis testing (A-level only) Questions

  1. A Level
  2. /Maths
  3. /4.6 Statistical hypothesis testing (A-level only)

209 exam-style questions on CCEA A Level Maths 4.6 Statistical hypothesis testing (A-level only), covering 4.6.1 Statistical hypothesis testing (A-level only), 4.6.2 Statistical hypothesis testing (A-level only), 4.6.3 Statistical hypothesis testing (A-level only), 4.6.4 Statistical hypothesis testing (A-level only), and 4.6.5 Statistical hypothesis testing (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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