A survey was conducted to determine the satisfaction of Chrysler, GM and Ford car users and asked to rate their satisfaction levels between 1 (bad) and 1000 (excellent). The data set is presented below. Chrysler GM Ford 650 400 700 700 800 750 500 500 650 800 400 800 900 600 900 750 900 700 It is not possible to assume that the distribution of the scores for the population matches the normal distribution. By applying the Kruskal-Wallis test, evaluate whether the median of the evaluations for these three car brands are different from each other at the level of α = 0.05 significance. Establish relevant hypotheses and interpret the results. ı asked already but can you explain more about Kruskal- Wallis test
A survey was conducted to determine the satisfaction of Chrysler, GM and Ford car users and asked to rate their satisfaction levels between 1 (bad) and 1000 (excellent). The data set is presented below. Chrysler GM Ford 650 400 700 700 800 750 500 500 650 800 400 800 900 600 900 750 900 700 It is not possible to assume that the distribution of the scores for the population matches the normal distribution. By applying the Kruskal-Wallis test, evaluate whether the median of the evaluations for these three car brands are different from each other at the level of α = 0.05 significance. Establish relevant hypotheses and interpret the results. ı asked already but can you explain more about Kruskal- Wallis test
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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A survey was conducted to determine the satisfaction of Chrysler, GM and Ford car users and asked to rate their satisfaction levels between 1 (bad) and 1000 (excellent). The data set is presented below.
|
Chrysler |
GM |
Ford |
|
650 |
400 |
700 |
|
700 |
800 |
750 |
|
500 |
500 |
650 |
|
800 |
400 |
800 |
|
900 |
600 |
900 |
|
750 |
900 |
700 |
It is not possible to assume that the distribution of the scores for the population matches the
ı asked already but can you explain more about Kruskal- Wallis test
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