A Survey Was Recently Conducted in Which Random Samples of Car

question 53

Multiple Choice

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.

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Definitions:

Ethnography

A qualitative research method focused on studying cultures, practices, and communities through observation and participation.

Sociometry

A quantitative method for measuring social relationships, used to identify the structure of groups and the position of individuals within them.

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