A university surveyed recent graduates of the English department for their starting salaries. One hundred and ninety six graduates returned the survey. The average salary was $28,800. The population...

Extracted text: A university surveyed recent graduates of the English department for their starting salaries. One hundred and ninety six graduates returned the survey. The average salary was $28,800. The population standard deviation was $2.150. What is the 95% confidence interval for the mean salary of all graduates from the English department?