45- A professor randomly selects a sample of 16 students to attend additional statistics tutoring sessions for the duration of the course. At the end ofthe semester, the students take a nationally standardized test of statistics knowledge. Their scores average 26 with SS = 960. The populationmean on that normally distributed test is u = 20. Do the data support the conclusion that the tutoring has a significant effect? Use a = .05 andshow all 5 steps. If significant, how large is the effect?Step 1: Which of the following correctly represents the null and alternative hypothesis for the mentioned sample Compute Cohen's d for this studyQUESTION 46Interpret Cohen's d (i.e., what does it tell you about tutoring and exam scores?)O Cannot interpret Cohen's d meaningfullyO Tutoring did not shift scoresO Tutoring shifted scores down by 0.75 SDO Tutoring shifted scores up by 0.75 SD

Name: 45- A professor randomly selects a sample of 16 students to attend add
Uploaded: 2024-03-20T07:06:41.000Z
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Description: 45- A professor randomly selects a sample of 16 students to attend additional statistics tutoring sessions for the duration of the course. At the end ofthe semester, the students take a nationally standardized test of statistics knowledge. Their scor