One Tailed and Two Tailed Tests, Critical Values, & Significance Level - Inferential Statistics

This statistics video tutorial explains when you should use a one tailed test vs a two tailed test when solving problems associated with hypothesis testing. It all depends on the statement associated with the alternative hypothesis. This video also discusses the critical values and significance level associated with hypothesis testing. Statistics - Video Lessons: https://www.video-tutor.net/statistic.html _________________________________ Confidence Intervals & Margin of Error: https://www.youtube.com/watch?v=DT-fPG0Hff8 Find The Z-Score Given Confidence Interval: https://www.youtube.com/watch?v=sJyZ9vRhP7o Student's T-Distribution: https://www.youtube.com/watch?v=MUD390jtgQs Hypothesis Testing - Null & Alternative: https://www.youtube.com/watch?v=wiYJWyfdGg4 Type I and Type II Errors: https://www.youtube.com/watch?v=9yQm9F2_yIk One Tailed and Two Tailed Tests: https://www.youtube.com/watch?v=XHPIEp-3yC0 _______________________________________ Test Static For Means & Pop Proportions: https://www.youtube.com/watch?v=Hag0GW9B6EY Hypothesis Testing Problems: https://www.youtube.com/watch?v=zJ8e_wAWUzE P-Value Method - Hypothesis Testing: https://www.youtube.com/watch?v=8Aw45HN5lnA Hypothesis Testing - Proportions: https://www.youtube.com/watch?v=76VruarGn2Q Difference of 2 Means - H Testing: https://www.youtube.com/watch?v=UcZwyzwWU7o Cohen's D - Pooled Standard Deviation: https://www.youtube.com/watch?v=GDe4M0xEghs Hypothesis Testing - 2 Proportions: https://www.youtube.com/watch?v=pCbNUnZ98oE __________________________________ Matched or Paired Samples t-Test: https://www.youtube.com/watch?v=JiQR0lHLe74 Chi Square Test: https://www.youtube.com/watch?v=HKDqlYSLt68 Chi Square Distribution Test: https://www.youtube.com/watch?v=O6a76Dnn104 Test of Independence - Chi Square Dist: https://www.youtube.com/watch?v=y5nxiL6civU Final Exams and Video Playlists: https://www.video-tutor.net/ Full-Length Videos and Worksheets: https://www.patreon.com/MathScienceTutor/collections