METHODS OF DATA ANALYSIS
PARAMETRIC AND NON PARAMETRIC TESTS
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Question
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The following are characteristics of Chi-square test of independence except:
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Categories are mutually exclusive
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observations must be independent
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assumes a non-directional hypothesis
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The shape of the chi-square distribution depends on the size of the sample
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Explanation:
Detailed explanation-1: -Chi Square Statistic The overall shape of the distribution will depend on the number of degrees of freedom in a given problem.
Detailed explanation-2: -Chi-square is non-negative. Chi-square is non-symmetric. There are many different chi-square distributions, one for each degree of freedom. The degrees of freedom when working with a single population variance is n-1.
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