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16 if a population has a standard deviation o of 25 units, what is the standard error of the mean IK| 28 samples of size

16 if a population has a standard deviation o of 25 units, what is the standard error of the mean IK| 28 samples of size 80 are selected? 17 Consider a population with a mean u of 51 and a standard deviation o of 5.1. Calculate the z for an X of 48.5 from a sample size of 36. - 2.94 hapter 9 Estimating the Value of a Parameter

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