Why might you perform a paired t-test?
- All of the above
- To compare the means of the same group at two different times
- To compare the means of two different populations
- To compare two independent groups
A paired t-test is used to compare the means of the same group at two different times or under two different conditions. It is not used to compare independent groups or different populations.
Loading...
Related Quiz
- In hypothesis testing, a Type II error is committed when the null hypothesis is ______ but we ______ to reject it.
- What is the effect of having small expected frequencies in a Chi-square test?
- How does the Central Limit Theorem influence the shape of the distribution of sample means?
- How does the height of a bar in a histogram relate to the frequency of the data?
- Can PCA be used for both supervised and unsupervised learning?