# Statistic Article discussion Question

Learning Goal: I’m working on a statistics discussion question and need an explanation and answer to help me learn.

(Implementing an evidence-based metabolic syndrome prevention and treatment program utilizing group visits Deborah M. Greer, DNP, ARNP1 & Dawn C. Hill, DNP, ARNP, CDE2)

1. This is an interesting study because here we see the use of both repeated measures t-tests as well as independent t-tests. How did the researchers use both types of t-tests in light of the fact that we discussed you should choose one or the other?
2. Discuss the sample size in the Sumter County sample. Using a a source, discuss the validity of the design with just 5 participants?
3. In the article, the authors indicate that some data are positively-skewed. Discuss the meaning of that, and why would the skew of data interfere with using it in the t-tests? (In your response, consider the distribution of the test statistic).

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