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A random variable that is 2.5 times the standard error less than the mean.
The word random means unordered, mixed-up or 'out of sequence'
yes?
To find the Z score from the random variable you need the mean and variance of the rv.To find the Z score from the random variable you need the mean and variance of the rv.To find the Z score from the random variable you need the mean and variance of the rv.To find the Z score from the random variable you need the mean and variance of the rv.
Simple Random Sample