[All Steps] Gallup conducts a survey on the wellbeing of various individuals within different industries. For physicians, who lead the wellbeing among types
Question: Gallup conducts a survey on the wellbeing of various individuals within different industries. For physicians, who lead the wellbeing among types of professionals, the population standard deviation is 5.75. A sample mean of 85 physicians had a mean of 87.5.
- In order to form a 95% confidence interval, what is/are the critical values (hint: there are two critical values if the confidence interval is two-sided)?
- What is the standard error of the mean?
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