r.instructure.com/courses/461009/quizzes/253791/take D Question 12 3 pts If a the statistical decision of a one sample t test is to retain the null hypothesis, this means O a size of effect measure does not need to be computed O a size of effect measure must be computed O pooled variance must be computed O a one tailed test must be conducted D Question 13 3 pts What is the most commonly used alpha level by researchers conducting inferential statistical tests? O p .05 O p. 025 O p.10 O p 1.00 D Question 14 3 pts A researcher reports t(26) = 2.71 for a two independent samples t-test. How many participants were in the entire experiment? O 28 O 27 30 cannot determine with the information provided