null hypothesis
What null hypothesis means in Mathematics A-Level, as defined for Pearson Edexcel, WJEC.
Definitions of null hypothesis
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Reference: Pearson Edexcel
A claim about a population parameter, usually written H₀, with which a hypothesis test starts.
The default baseline, for example p = p₀.
Topics that use null hypothesis
- Statistical hypothesis testing (Pearson Edexcel A-Level)
- Statistical hypothesis testing (AS Unit 2: Applied Mathematics A) (WJEC A-Level)
Related terms
- significance level
- actual significance level
- binomial hypothesis testing
- Binomial hypothesis tests for a proportion
- contextual interpretation
- Contextual interpretation of significance
- critical region
- Critical regions and p-values
Using null hypothesis in the exam
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