A group of 32 rats were randomly assigned to each of 4 diets labeled (A, B, C, and D). The response is the liver weight as a percentage of body weight. Two rats escaped and another died, resulting in the following data. Choose the best statistical test to determine if the liver weight percentage are different among the diets. A B C D 3.42 3.17 3.34 3.65 3.96 3.63 3.72 3.93 3.87 3.38 3.81 3.77 4.19 3.47 3.66 4.18 3.58 3.39 3.55 4.21 3.76 3.41 3.51 3.88 3.84 3.55 3.96 3.44 3.91 a. One-way ANOVA followed by a post-hoc test b. Transformed the data and use Kruskal-Wallis H test c. Chi-square – test of homogeneity d. Kruskal-Wallis H test followed by Mann-Whitney U test for all available pairs
A group of 32 rats were randomly assigned to each of 4 diets labeled (A, B, C, and D). The response is the liver weight as a percentage of body weight. Two rats escaped and another died, resulting in the following data. Choose the best statistical test to determine if the liver weight percentage are different among the diets. A B C D 3.42 3.17 3.34 3.65 3.96 3.63 3.72 3.93 3.87 3.38 3.81 3.77 4.19 3.47 3.66 4.18 3.58 3.39 3.55 4.21 3.76 3.41 3.51 3.88 3.84 3.55 3.96 3.44 3.91 a. One-way ANOVA followed by a post-hoc test b. Transformed the data and use Kruskal-Wallis H test c. Chi-square – test of homogeneity d. Kruskal-Wallis H test followed by Mann-Whitney U test for all available pairs
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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A group of 32 rats were randomly assigned to each of 4 diets labeled (A, B, C, and D). The response is the liver weight as a percentage of body weight. Two rats escaped and another died, resulting in the following data. Choose the best statistical test to determine if the liver weight percentage are different among the diets.
|
A |
B |
C |
D |
|
3.42 |
3.17 |
3.34 |
3.65 |
|
3.96 |
3.63 |
3.72 |
3.93 |
|
3.87 |
3.38 |
3.81 |
3.77 |
|
4.19 |
3.47 |
3.66 |
4.18 |
|
3.58 |
3.39 |
3.55 |
4.21 |
|
3.76 |
3.41 |
3.51 |
3.88 |
|
3.84 |
3.55 |
|
3.96 |
|
|
3.44 |
|
3.91 |
a.
One-way ANOVA followed by a post-hoc test
b.
Transformed the data and use Kruskal-Wallis H test
c.
Chi-square – test of homogeneity
d.
Kruskal-Wallis H test followed by Mann-Whitney U test for all available pairs
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