Mathematics, 03.06.2021 20:40 tionnewilliams21
A study investigated the effectiveness of meditation training in reducing trait anxiety. The study evaluated subjects trait anxiety levels before and after the study subjects participated in an 8 week training course in meditation. The difference in the pre-training and post-training trait anxiety levels were calculated for each participant. For the 27 people in the study, the mean reduction in anxiety was 4.9, and the standard deviation of the reductions was 6.9.
Required:
Find a 99% confidence interval for the population mean.
Answers: 3
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A study investigated the effectiveness of meditation training in reducing trait anxiety. The study e...
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