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2.5 O: Statistical hypothesis testing

2.5 O: Statistical hypothesis testing

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Question 8

The proportion of visitors to a webpage who click on a link is 0.15. Angela believes that increasing the font size will increase this proportion.

Identify the correct pair of hypotheses for a test of Angela's belief.

Tick one box.

A

H0H_0H0​: p=0.15p = 0.15p=0.15, H1H_1H1​: p≠0.15p \ne 0.15p=0.15

B

H0H_0H0​: p=0.15p = 0.15p=0.15, H1H_1H1​: p>0.15p > 0.15p>0.15

C

H0H_0H0​: p>0.15p > 0.15p>0.15, H1H_1H1​: p=0.15p = 0.15p=0.15

D

H0H_0H0​: p=0.15p = 0.15p=0.15, H1H_1H1​: p<0.15p < 0.15p<0.15

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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