If the sample size is less than 15,the correlated groups t test may show inflated Type I errors for data that are:
A)normally distributed
B)cross-sectional
C)markedly skewed
D)markedly kurtotic

Question

Quizplus · Accepted Answer

The correlated groups t test assumes normality of the data, but when the sample size is small (less than 15), it may not hold true, especially for skewed data. This may lead to inflated Type I errors, which means the probability of rejecting a true null hypothesis increases. Therefore, it is advisable to use non-parametric tests or to increase the sample size to reduce the impact of skewed data on the test results.

If the Sample Size Is Less Than 15,the Correlated Groups