Hypothesis testing questions are found in paper 2, section B (Statistics section) of the H2 A Level Math exam. In this post, you will find the worked solutions for past A Level questions on hypothesis testing.

A list of past questions from each statistics topic can be found here.

A quick summary of formulae in each statistics topics can be found here.

## Past A Level Hypothesis testing Questions

These are the past A Level hypothesis testing questions for the new syllabus (syllabus 9758) which started from 2017.

Click on the link to go straight to the worked solutions for each question.

## Hypothesis Testing Question: 2017 Paper 2 Question 7

## Hypothesis Testing Question: 2018 Paper 2 Question 5

(i) A sample of at least 30 should be taken, so that sample size is large enough for the mean time to fail of the fans to be approximated to that of a normal distribution by Central Limit Theorem.

(ii) Test H_{o}: µ = 65000 against H_{1}: µ < 65000

µ = population mean time to fail of fan

H_{o} = null hypothesis

H_{1} = alternative hypothesis

## Hypothesis Testing Question: 2019 Paper 2 Question 9

## Hypothesis Testing Question: 2020 Paper 2 Question 10

## Hypothesis Testing Question: 2021 Paper 2 Question 8

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