Quiz Week 5: ANOVA
Quiz by Data Analytics & Communication Help Desk
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9 questions
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- Q1A One-Way ANOVA is used to test differences between the means of1 group2 groups3 groups or moreAll of the above30s
- Q2What is the null hypothesis at the basis of a One-Way ANOVA?The variances of the groups are equalThe means of the groups are not equalThe means of the groups are equalThe variances of the groups are not equal30s
- Q3Which of the below is NOT an assumption of a One-Way ANOVA?Variance equalityNormalitySample independenceThe dependent variable should be categorical30s
- Q4We want to test whether exam grades depend on class attendance (low, medium, high) and the course program (AI, CS, other) a student is following. Which test do you use?Two-Way ANOVAOne-Way ANOVA30s
- Q5We want to test whether reaction time differs between male and female participants in an experiment. Which test do you use?One-Way ANOVAT-testTwo-Way ANOVAPearson's Chi-squared test30s
- Q6What should you mention when reporting the results of an ANOVA?MeansAll of the aboveF statisticP-value30s
- Q7When you observe a high F statistic you can:Do not reject the null hypothesisWe cannot either accept or reject the null hypothesis based on the F statistic aloneReject the null hypothesis30s
- Q8If the means between groups are identical, what would be the observed value for the F statistic?1<0Infinite030s
- Q9What is likely to be the case when you encounter an F statistic of 0.0?UnderfittingOverfitting30s