Standard Normal Distribution Z~N(0,1) | Calculating Probabilities | ExamSolutions

Here I show you how the standard normal distribution is used to calculate probabilities from standard normal tables for any normal distribution with mean µ and standard deviation σ.

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[Jdonovanford]

Could you explain why in statistical inference one should never standardize a variable according to a sample distribution of the same data and why that would be circular reasoning?

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[Nino.]

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