9.1 Hypothesis Test for a Mean (Conceptual)

0:00 Introduction to Ch. 9 Hypothesis Testing
1:12 How to formulate (structure) Hypothesis Tests
2:42 Three purposes/reasons to do hypothesis tests
5:36 Three types of hypothesis Tests (Two-, Upper-, Lower-Tail)
7:55 Example of an Upper Tail Test
9:05 Example of a Lower Tail Test
10:22 Example of a Two Tail Test
11:45 Hypothesis Testing Outcomes and Possible Errors
12:54 Types of Statistical Errors (Type I and Type II) with an example