SOLUTION: What if your sample is less than 30 and you don't know the population mean or standard deviation, but you know the sample stats, x-bar and s, and that the sample is from a normal p
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Question 1121317: What if your sample is less than 30 and you don't know the population mean or standard deviation, but you know the sample stats, x-bar and s, and that the sample is from a normal population.
Is there still a method for standardizing data?
What other distribution could be used? Answer by Boreal(15235) (Show Source):
You can put this solution on YOUR website! a t-distribution with degrees of freedom n-1
This works when the population may be considered normally distributed and the standard deviation of the sample, s, may be considered a decent estimator (or unbiased outright) of the population standard deviation.
