Questions and Answers
What assumptions do parametric tests have?
Data is not significantly different from the normal distribution and there is homogeneity of variance between both groups.
Comparing parametric tests to non parametric tests, parametric tests are...
More powerful and more flexible
Chi squared uses...
Unrelated data
Chi squared test is focused on...
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What data do Chi squared tests use?
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The Chi squared test is a type of...
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What to T tests look for?
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T - tests meet parametric assumptions
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Which central of tendency does the T - test relate the differences to the distribution of a sample?
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If there is no difference between both groups (null hypothesis is true) what would the average difference be (from lots of comparisons made between both groups)?
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What does the Wilixon - signed rank test compare the median between?
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What p value determines a significant difference in Wilixon signed rank test?
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What p value determines the data being non significantly different from the normal distribution?
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What p value indicates that there is homogeneity between both samples (variance between both samples are not significantly different)?
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How do you work out the expected frequency?
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What does p > 0.05 for unrelated t test and Mann Whitney test indicate?
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Wilixon signed rank test is a parametric test.
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What data does the Mann Whitney test use?
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What data is used in parametric tests?
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