Week 12, Lab 13

Hypothesis testing 2-samples

Means and Proportions

In this class we will review the basics of 1-sample hypothesis testing and introduce 2-sample hypothesis testing.

Both are fairly similar and use the same 5-step procedure to obtain Z-obtained values. But the main difference is that we are not comparing sample statistics with population parameters (like in 1 sample testing), but instead, we are comparing 2 sample statistics to see if they are statistically different.

Below are two videos with concrete examples of how to carry out 2-sample hypothesis testing for means and proportions.

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