A survey was recently conducted in which random samples of car owners of Chrysler,GM,and Ford cars were surveyed to determine their satisfaction.Each owner was asked to rate overall satisfaction on a scale of 1 (poor) to 1000 (excellent) .The following data were recorded: If the analysts are not willing to assume that the population ratings are normally distributed and will use the Kruskal-Wallis test to determine if the three companies have different median ratings,what is the correct conclusion if the test is to be conducted using an alpha = .05 level?
A) H0 should be rejected and we conclude that there is no significant difference between the 3 companies.
B) H0 should not be rejected and we conclude that there is no significant difference between the 3 companies.
C) H0 should be rejected and we conclude that there is a significant difference between the 3 companies.
D) H0 should not be rejected and we conclude that there is a significant difference between the 3 companies.
Correct Answer:
Verified
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