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What is the z-score for a sample

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If a population has a mean of 60 and a standard deviation of 12, what is the z-score for a sample of 25 people whose mean is 64.2

Reference no: EM132847178

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What is the z-score for a sample : If a population has a mean of 60 and a standard deviation of 12, what is the z-score for a sample of 25 people whose mean is 64.2
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