S3.5.2 - Hypothesis tests for zero correlation

Testing the hypothesis that a Use of tables for Spearman’s and product moment correlation is zero. correlation coefficients.

Use hypothesis tests for zero correlation to connect the rule to the data and decision in the question.

This matters because hypothesis tests for zero correlation determines what can be inferred or chosen; begin with the stated conditions and keep the conclusion tied to the evidence.

Example: apply hypothesis tests for zero correlation to one small, clearly defined case, show the key step or comparison, and explain the result in words.

Boundary: Hypothesis tests for zero correlation is not a universal recommendation. Check the syllabus scope, assumptions, units and the limits of the evidence before generalising.