This statistics video tutorial explains how to calculate Cohen's d to determine if the size of the effect is small, medium, or large based on the differences between two sample means. This video also provides two ways to calculate the pooled standard deviation.
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
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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
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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