Question

A statistics tutor wants to assess whether her remedial tutoring has been effective for her five students. She decides to conduct a related samples t-test and records the following grades for students prior to and after receiving her tutoring. Before 2.6 ,2.7,3.2,3.1,2.9. after 3.3, 3.0, 3.8, 3.3, 3.7

I asked whether or not her tutoring as affective at a 0.05 level of significance. State the value of the test statistic. Compute the effect size using estimated Cohens d test whether or not her tutoring is affective at a 0.05 level of significance. State the value of the test statistic. Compute the effect size using estimated Cohen’s d

Answer 1