Podcast
Questions and Answers
Which test assumes a specific probability distribution, typically the normal distribution?
Which test assumes a specific probability distribution, typically the normal distribution?
- Kruskal-Wallis test
- Spearman correlation
- Independent samples t-test (correct)
- Mann-Whitney U test
Which non-parametric test is used when data may not meet parametric assumptions?
Which non-parametric test is used when data may not meet parametric assumptions?
- Mann-Whitney U test
- Spearman correlation
- Kruskal-Wallis test (correct)
- Independent samples t-test
Which test is used to compare the means of two independent groups to determine if there is a statistically significant difference between them?
Which test is used to compare the means of two independent groups to determine if there is a statistically significant difference between them?
- Paired samples t-test
- ANOVA
- Spearman correlation
- Mann-Whitney U test (correct)
Which correlation coefficient is a non-parametric test?
Which correlation coefficient is a non-parametric test?
Which type of t-test is used for related groups?
Which type of t-test is used for related groups?
Which test assumes equal variances of the two groups being compared?
Which test assumes equal variances of the two groups being compared?
Which test is more robust in the face of deviations from normality?
Which test is more robust in the face of deviations from normality?
Which correlation coefficient is used when the data may not meet parametric assumptions?
Which correlation coefficient is used when the data may not meet parametric assumptions?
Which test is used to compare the means of more than two independent groups?
Which test is used to compare the means of more than two independent groups?
Which test is used when comparing the means of two groups and assuming equal variances may be violated?
Which test is used when comparing the means of two groups and assuming equal variances may be violated?
What type of data have a meaningful order, consistent intervals, and a true zero point?
What type of data have a meaningful order, consistent intervals, and a true zero point?
What is the key difference between Type I and Type II errors?
What is the key difference between Type I and Type II errors?
When is the median a suitable measure of central tendency?
When is the median a suitable measure of central tendency?
What is the purpose of MANOVA (Multivariate Analysis of Variance)?
What is the purpose of MANOVA (Multivariate Analysis of Variance)?
What type of correlation coefficient is suitable for linear relationships between normally distributed variables?
What type of correlation coefficient is suitable for linear relationships between normally distributed variables?
What is the key characteristic of nominal data?
What is the key characteristic of nominal data?
In which type of t-test are the groups being compared dependent?
In which type of t-test are the groups being compared dependent?
What does Type II error represent?
What does Type II error represent?
When is the mean a suitable measure of central tendency?
When is the mean a suitable measure of central tendency?
What type of data represent categories with a meaningful order or ranking, but the intervals between the categories are not consistent?
What type of data represent categories with a meaningful order or ranking, but the intervals between the categories are not consistent?
