Mathematics A-Level
decision rule
What decision rule means in Mathematics A-Level, as defined for WJEC.
Definition of decision rule
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Reference: WJEC
Comparing the p-value to α, or checking if x lies in the critical region, to decide whether to reject or not reject H₀.
Topics that use decision rule
Related terms
- actual significance level
- binomial hypothesis testing
- contextual interpretation
- critical region
- nominal significance level
- null hypothesis
- p-value
- significance level
Using decision rule in the exam
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