This tutorial explains the basics of hypothesis testing. It also shows how to conduct a two-tailed hypothesis z-test for a population mean.
One-Sample t-Test for μ: https://youtu.be/du-8fDcDikA
Z-test for mean- one-tailed example: https://youtu.be/kNKyhEuqszs
Solved 2-tailed hypothesis Z-test: https://youtu.be/QUI4HSUSfII
00:00 Intro
00:25 Hypotheses
00:45 Rejection regions
1:48 Critical values
04:13 Test statistic
04:23: Decision/Conclusion