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Questions and Answers
What type of variable is the dependent variable in the Mann-Whitney U test?
What type of variable is the dependent variable in the Mann-Whitney U test?
- Ordinal (correct)
- Binary
- Continuous
- Categorical
In the Wilcoxon signed-rank test, what is compared to determine a significant difference?
In the Wilcoxon signed-rank test, what is compared to determine a significant difference?
- Actual values
- Test scores
- Ranks of test scores
- Paired observations (correct)
Which test is suitable for comparing test scores before and after attending an exam preparation course?
Which test is suitable for comparing test scores before and after attending an exam preparation course?
- Mann-Whitney U test
- Wilcoxon signed-rank test (correct)
- ANOVA
- Kruskall Wallis Test
What type of variable is the independent variable in the Kruskall Wallis test?
What type of variable is the independent variable in the Kruskall Wallis test?
How many independent groups does the Kruskall Wallis Test compare?
How many independent groups does the Kruskall Wallis Test compare?
What distinguishes the Mann-Whitney U test from a t-test?
What distinguishes the Mann-Whitney U test from a t-test?
Which statistical test compares ranks of test scores instead of their actual values?
Which statistical test compares ranks of test scores instead of their actual values?
'Observations from the same individuals under two different conditions or time points' describes what type of data collection method?
'Observations from the same individuals under two different conditions or time points' describes what type of data collection method?
In the context of teaching methods comparison, which statistical test should be used for comparing three different teachers' impact on student test scores?
In the context of teaching methods comparison, which statistical test should be used for comparing three different teachers' impact on student test scores?
What kind of data is suitable for the Wilcoxon signed-rank test?
What kind of data is suitable for the Wilcoxon signed-rank test?
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