IB skill practice

Interpret correlation test p-values

Use a p-value to decide whether sample correlation is statistically significant.

Paper 1, Paper 2 5 marks Difficulty 5

Interpret correlation test p-values - official syllabus scenario

Read the official-HL feature being tested first. A sports analyst correlation test gives p-value 0.05 at significance level 0.05. State 1 if the correlation is significant, otherwise state 0. Enter the requested value and choose the interpretation that matches the result.

Worked practice: result and interpretation

Calculate the requested result first, then choose the interpretation that follows from it.