Sample mean and the orginal population mean

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The value of the z score in a hypothesis test is influenced by a variety of factors. Assuming that all other variables are held constant explain how the value of z is influenced by each of the following:

a. increasing the difference b/w the sample mean and the orginal population mean.

b.increasing the population standard deviation.

c. increasing the number of scores in the sample.

Reference no: EM1395889

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