02. Practice: Statistical Significance
This lesson assumes that you already know about basic inferential statistics. In particular, you should know how to perform a statistical test for the difference in means between two groups, and for comparing the mean of a single group against a reference value. Use the workspace below to check your knowledge and as a review.
Code
If you need a code on the https://github.com/udacity.
Additional Resources
If you need a refresher on statistics, check out the content linked in the extracurricular materials for the Practical Statistics course. You might also like to try Think Stats, a book that takes a simulation-based approach to hypothesis testing.