A-Level CAIE Biology A2 Formula reference—t-test, Pearson, Spearman and degrees of freedom Question Bank
Formula reference—t-test, Pearson, Spearman and degrees of freedom
Use provided formulae for t-test, Pearson’s linear correlation and Spearman’s rank correlation; know how to calculate degrees of freedom for chi-squared and t-tests; judge significance using critical values.
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