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04-11-2022
Mathematics

Answered

music and gpa: i think that listening to music while studying is going to affect gpa. i think that the null mean is 3.22 i collected data from 18 students who listen to music while studying, and their average gpa is 3.11 (alternative mean) with a standard deviation of 0.41. assume a two-tailed test. what is the standard error of the mean (report to the second decimal place)?

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