| Question 4. Michael conducts a single sample t test that had a medium effect size using a sample of 9 students. (Use a = .05) a. What is the power of the study Michael conducted? b. Interpret your answer to question 4a. If Michael wants to conduct this study again and obtain a power of .80, how many participants would he need to enroll? Assume the effect size is unchanged.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
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Question 4. Michael conducts a single sample t test that had a medium effect size using a
sample of 9 students. (Use a = .05)
a. What is the power of the study Michael conducted?
b. Interpret your answer to question 4a.
If Michael wants to conduct this study again and obtain
a power of .80, how many participants would he need
to enroll? Assume the effect size is unchanged.
Transcribed Image Text:Question 4. Michael conducts a single sample t test that had a medium effect size using a sample of 9 students. (Use a = .05) a. What is the power of the study Michael conducted? b. Interpret your answer to question 4a. If Michael wants to conduct this study again and obtain a power of .80, how many participants would he need to enroll? Assume the effect size is unchanged.
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