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Patient satisfaction scores derived from a patient satisfaction survey are normally distributed with a mean U = 50 and standard deviation S = 7. A

Patient satisfaction scores derived from a patient satisfaction survey are normally distributed with a mean U = 50 and standard deviation S = 7. A simple random sample of n = 49 is taken from this population to seek evidence against the hypothesis by using two-sided alternative hypothesis. The standard error of the sample meanXfor these data is

7

1

2.65

49

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