Eight students were given a pretest to measure their public speaking anxiety. They completed a workshop and then were given a post test. At αα =0.05, did the workshop lower their anxiety (a lower score indicates a lower anxiety level)? Pretest 23 26 30 31 39 23 28 27 Post test 22 29 27 29 33 21 25 28 A. Determine the critical value. B. Determine the test statistic. Using Wilcoxon signed rank test.
Eight students were given a pretest to measure their public speaking anxiety. They completed a workshop and then were given a post test. At αα =0.05, did the workshop lower their anxiety (a lower score indicates a lower anxiety level)? Pretest 23 26 30 31 39 23 28 27 Post test 22 29 27 29 33 21 25 28 A. Determine the critical value. B. Determine the test statistic. Using Wilcoxon signed rank test.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Eight students were given a pretest to measure their public speaking anxiety. They completed a workshop and then were given a post test. At αα =0.05, did the workshop lower their anxiety (a lower score indicates a lower anxiety level)?
Pretest | 23 | 26 | 30 | 31 | 39 | 23 | 28 | 27 |
Post test | 22 | 29 | 27 | 29 | 33 | 21 | 25 | 28 |
A. Determine the critical value.
B. Determine the test statistic.
Using Wilcoxon signed rank test.
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