Applied Statistics (Entire Course) - Statistics - 10.3.1 Hypothesis Testing for Population Means (σ unknown) - 1-Tailed

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16.5 hours of video
Certificate of completion
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Full Transcript

We look at a left-tailed and right-tailed example for hypothesis testing for population means where the population standard deviation is unknown. That means we are back to the t-model instead of the normal model. However, you will find the concept remains the same. 0:00 Intro 0:10 Summary Page 1:13 Example 1 - Check Conditions 3:04 Example 1 - State Hypotheses and Perform Calculations 5:57 Example 1 - Draw Conclusion and Interpret Decision 6:51 Example 1 - Support with a Confidence Interval 7:54 Example 1 in Excel 13:49 Example 2 By Hand 20:03 Example 2 In Excel 20:48 Up Next Power Point: https://bellevueuniversity-my.sharepoint.com/:p:/g/personal/kbrehm_bellevue_edu/ERxlWpAcK4NOgtuvNeHWDDwBWZxBuy2MLcJWrdAUiUesRg?e=d0NJQ4 Confidence Interval Decision Tree: https://bellevueuniversity-my.sharepoint.com/:b:/g/personal/kbrehm_bellevue_edu/EbcsvXnQcsxAjGEmqReLNS4B-bxNVp6EzXRPrsFLxbaUSQ?e=ehmDq1 Hypothesis Testing Decision Tree: https://bellevueuniversity-my.sharepoint.com/:b:/g/personal/kbrehm_bellevue_edu/Ea6wo_3qR69HqiKzJBvsCY8Bn1HBDw8thED70zuAhU81CQ?e=IgbeO4 This playlist follows the text, Beginning Statistics, 3rd ed, Warren, Denley, Atchley Playlist: https://www.youtube.com/playlist?list=PLl-gb0E4MII1dkfGxmdt8YA0Dgabdvdmq