Which non-parametrical test for ordinal data is the best use in the given scenario? In a study by Grape et. al, researchers investigated the possible beneficial effects of singing on well-being during a single singing lesson. One of the variables of interest was the change in cortisol as a result of the singing lesson. Use the data in the following table to determine if, in general, cortisol increases after a singing lesson. Let a = 0.05. Find the p value.
Which non-parametrical test for ordinal data is the best use in the given scenario? In a study by Grape et. al, researchers investigated the possible beneficial effects of singing on well-being during a single singing lesson. One of the variables of interest was the change in cortisol as a result of the singing lesson. Use the data in the following table to determine if, in general, cortisol increases after a singing lesson. Let a = 0.05. Find the p value.
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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Which non-parametrical test for ordinal data is the best use in the given scenario?
In a study by Grape et. al, researchers investigated the possible beneficial effects of singing on well-being during a single singing lesson. One of the variables of interest was the change in cortisol as a result of the singing lesson. Use the data in the following table to determine if, in general, cortisol increases after a singing lesson. Let a = 0.05. Find the p value.
|
Subject |
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| Before | 214 | 362 | 202 | 158 | 403 | 219 | 307 | 331 |
| After | 232 | 276 | 224 | 412 | 562 | 203 | 340 | 313 |
a. Kruskal-Wallis Test
b. Sign Test
c. Spearman and Kendall
d. Wilcoxon Rank Sum Test
e. Mood
f. Wilcoxon Matched-Pairs Signed-Ranks Test
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