Significance level and Type I error
What Significance level and Type I error means in Mathematics A-Level, as defined for AQA.
Definitions of Significance level and Type I error
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Reference: AQA
The probability of incorrectly rejecting a true null hypothesis; the p-value is compared with it to decide whether to reject the null hypothesis.
The significance level α is the probability of incorrectly rejecting a true null hypothesis, which is a Type I error.
Topics that use Significance level and Type I error
- O: Statistical hypothesis testing (AQA A-Level)
Related terms
- Binomial distribution
- binomial hypothesis testing
- Correlation interpretation
- critical region
- Hypothesis testing
- Normal hypothesis testing
- Null hypothesis (H₀)
- One-tailed and two-tailed tests
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