Statistical vs. Practical Significance

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This is definitely one of the better videos that actually explains it!

ScrawnyNoMore
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finally a video that explains it effectively!!! :)

JaiiKaiiLove
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hello sir, why did you perform the t test for this test statistic? I thought that in sample sizes over 30, normal approximation allows for the use of the z test

luisrodrigueziii
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I do not understand why you use a t-test for this example even sample size is more than 30.

lalitalone
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175 IQ? Einstein and Steven Hawking are around 160.

MrThetaboosun
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