Find an article, clinical study, or journal report that employs statistics in reporting results. Then, briefly explain with numerical examples on how the author(s) used statistical methods to report the results. (150 words pls. include link & source)

Explain what is a central limit theorem. Describe an experiment with numerical examples that could be used to verify the central limit theorem. (150 words)

What does the p-value tell researchers, especially in terms of the normal curve? If the p-value is smaller than the level of significance, what does that always mean in terms of the null hypothesis? Why?
(Please consider adding numerical examples. 150 words)

Explain the difference between statistical significance and practical significance with numerical examples. (100 words)