A simple random sample of 30 items resulted in a sample mean of 10. The population standard deviation is o = 5. Round your answers to two decimal places.
a. What is the standard error of the mean, oi?
11
b. At 95% confidence, what is the margin of error?

Thats where they was ported and the fields that noone really knew much about needed tended, so they put slaves out there do free work and huge profits and so on the north decided to hold its own and was more different way of survival did not have same climate conditions to afford protecting slaves from winter so expenses be diff from south