DSA8001/DSA8003

Completed assignments and lab works

To read:

1. https://hansenjohnson.org/post/sync-github-repository-with-existing-r-project/#:~:text=Step%204%3A%20push%20files%20to,changes%20to%20the%20GitHub%20repo.
2. https://en.wikipedia.org/wiki/D%27Agostino%27s_K-squared_test
3. https://en.wikipedia.org/wiki/Shapiro%E2%80%93Wilk_test