alsadimaram9165 alsadimaram9165

17-10-2017
Mathematics

contestada

A random sample of n = 4 scores is obtained from a population with a mean of m = 80 and a standard deviation of s = 10. if the sample mean is m = 90, what is the z-score for the sample mean

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rayleewilborn rayleewilborn

17-10-2017

I'm just guessing but maybe its 11.

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