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 between the sample mean and the original population mean will the and so will the z-score.
b. Increasing the population standard deviation will the and so will the z-score.
c. Increasing the number of scores in the sample will the and so will the z-score.