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What is Cohen's d for the scenario that you conducted hypothesis tests on previously? Round your answer to 2 decimal places. Dr. Garcia gives
What is Cohen's d for the scenario that you conducted hypothesis tests on previously? Round your answer to 2 decimal places. Dr. Garcia gives the same final exam in her psychology class every semester. The mean exam score for every student who has ever taken her exam is a 77.6, with a standard deviation of 7.2. Dr. Garcia selects a random sample of 36 students and has them take a study skills course (e.g. note-taking, reading strategies, exam preparation, test-taking, etc.) before taking her class. The mean final exam score for students who took the study skills course was a 79.5. Conduct a hypothesis test to determine if there is sufficient evidence at the 10% level of significance that students who took the study skills course had higher exam scores. Question 29 3.45 pts Based on the value that you calculated for Cohen's d in the previous question and the chart in the lecture video, what was the effect size? no practical effect O medium effect O small effect O large effect
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