Data were gathered on 98 female college students and 81 male college students to see on average which sex was more flexible after participating in a physical wellness class and are available in the file Flexibility Post.
a. State the research question.
b. How is the study designed: observational study or randomized experiment?
c. State the hypotheses.
d. Check validity conditions. Can you use the theory-based approach or should you use randomization methods?
e. Regardless of your answer to part (d) use a simulation analysis to generate a p-value and 95% CI.
f. Regardless of your answer to part (d) use a theory-based approach to generate a p-value and 95% CI.
g. Based on your answer to part (d) compare the p-values and 95% CIs received in parts (e) and (f).
h. Is zero in the confidence intervals? How does that fit with inference based on the p-values?