Question 1136572
i believe so.


standard error = 12 / sqrt(16) = 12 / 4 = 3.


the average of all sample means is expected to be the population mean.


here's a reference.


<a href = "http://www.stat.yale.edu/Courses/1997-98/101/sampmn.htm" target = "_blank">http://www.stat.yale.edu/Courses/1997-98/101/sampmn.htm</a>