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
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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Question
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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