significance level
What significance level means in Mathematics A-Level, as defined for AQA, Pearson Edexcel, WJEC.
Definitions of significance level
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Reference: WJEC
The maximum acceptable probability of committing the mistake of incorrectly rejecting the null hypothesis H₀ when it is entirely true.
The probability α of rejecting the null hypothesis when it is true.
The threshold probability for rejecting H₀ when true.
The probability of incorrectly rejecting H₀ when H₀ is true.
Topics that use significance level
- O: Statistical hypothesis testing (AQA A-Level)
- Statistical hypothesis testing (Pearson Edexcel A-Level)
- Statistical hypothesis testing (AS Unit 2: Applied Mathematics A) (WJEC A-Level)
Related terms
- binomial hypothesis testing
- critical region
- null hypothesis
- p-value
- Test statistic
- actual significance level
- Binomial distribution
- Binomial hypothesis tests for a proportion
Using significance level in the exam
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