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The Scores That Follow Were Obtained Before and After a Tai-Chi

Question 191

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The scores that follow were obtained before and after a Tai-Chi workshop. Higher scores indicate a greater calmness. Set α\alpha = .01 and test for a significant difference with a t test. Find d. Write a sentence to summarize your conclusion.  Participant  Before  After  J. U. 47 S. T. 35 A. S. 79 M. I. 24 L. E. 67\begin{array} { l c c } \text { Participant } & \text { Before } & \text { After } \\\hline \text { J. U. } & 4 & 7 \\\text { S. T. } & 3 & 5 \\\text { A. S. } & 7 & 9 \\\text { M. I. } & 2 & 4 \\\text { L. E. } & 6 & 7\end{array}

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Reject the null hypothesis. Th...

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