A researcher wants to determine the average salary of technicians in a certain field. From a sample of 100 technicians, the mean salary is $50,000, with a standard deviation of $12,000. What is the 95% confidence interval for this data?
A researcher wants to determine the average salary of technicians in a certain field. From a sample of 100 technicians, the mean salary is $50,000, with a standard deviation of $12,000. What is the 95% confidence interval for this data?