IB skill practice

Interpret Type I and Type II errors

Identify the contextual meaning of decision errors in hypothesis tests.

Paper 1, Paper 2 5 marks Difficulty 4

Interpret Type I and Type II errors - calculator-output interpretation

An energy audit test uses significance level \(\alpha=0.04\). If the null hypothesis is actually true, find the percentage risk of a Type I error. 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.