BOBboO7215 BOBboO7215

13-04-2018
Mathematics

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A random sample of n = 16 scores is obtained from a population with σ = 12. if the sample mean is 6 points greater than the population mean, what is the z-score for the sample mean?

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13-04-2018

i think the ans will be 8. but i am not able to describe. i only can say the ans.

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