Asha found a calculated value of 3.82 when df=1df = 1df=1 for her chi-squared test investigating the relationship between therapy type and treatment retention.
Using the table of critical values below, explain whether Asha's results are significant for a one-tailed (directional) hypothesis at the p≤0.05 p \le 0.05\,p≤0.05 level of significance.
| Level of significance for a one-tailed test | p≤0.05p \le 0.05p≤0.05 | p≤0.01p \le 0.01p≤0.01 |
|---|---|---|
| Critical value (df=1df = 1df=1) | 2.71 | 5.41 |
638 exam-style questions on Edexcel A Level Psychology Methods. Each one has a worked solution and a mark scheme showing where the marks go.