Hypothesis Testing and the t-Test (AQA A-Level Further Maths): Quizzes
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Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is a Type I error in hypothesis testing?
What is a Type I error in hypothesis testing?
Rejecting a true null hypothesis
What is a Type II error in hypothesis testing?
What is a Type II error in hypothesis testing?
Accepting a false null hypothesis
What does equal in hypothesis testing?
What does equal in hypothesis testing?
The significance level
What formula defines the power of a hypothesis test?
What formula defines the power of a hypothesis test?
What happens to Type II error probability when Type I error probability decreases?
What happens to Type II error probability when Type I error probability decreases?
It increases
What happens to Type II error when significance level decreases from 10% to 1%?
What happens to Type II error when significance level decreases from 10% to 1%?
Type II error increases substantially
When is the power of a test highest?
When is the power of a test highest?
True value very different from
How does increasing sample size affect Type II errors?
How does increasing sample size affect Type II errors?
Reduces Type II errors
In medical illness testing, which error should typically be minimised?
In medical illness testing, which error should typically be minimised?
Type II (missing real illness)
What should guide the choice of significance level in a test?
What should guide the choice of significance level in a test?
Which error has worse consequences