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YouTubeMechanical Engineering with Dr. Sanei
Statistics: Z score versus t score (Z test and t-test), difference between the two means
In this video, I will review Key concepts such as 1. Population mean (mu) and population standard deviation (sigma) 2. Sample mean (Xbar) and sample standard deviation (S) 3. Mean of all sample means (mu _xbar) and standard deviation of all sample means (sigma_xbar) 4. Z value/score versus t value/score and the difference between the two 5. How ...
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