critical value
What critical value means in Biology A-Level, as defined for AQA, OCR.
Definitions of critical value
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Reference: AQA
The value read from the row for your degrees of freedom and the p = 0.05 column, compared with the calculated value to determine significance.
The value at the chosen probability level for the degrees of freedom, with which the calculated χ² is compared.
Topics that use critical value
- Inheritance (A-level only) (AQA A-Level)
- Patterns of inheritance (OCR A-Level)
Related terms
- degrees of freedom
- epistasis
- null hypothesis
- Phenotype
- sex linkage
- allele
- Allele frequencies
- Alleles, genotypes and phenotypes
Using critical value in the exam
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