Question

A sample of 15 recent college graduates found that starting salaries for attorneys in New York City had a mean of $102,342 and a standard deviation of $21,756. Construct a 95% confidence interval for the average starting salary of all attorneys in the city.
A. (89869.82, 114814.18)
B. (91331.94, 113352.06)
C. (90292.73, 114391.27)
D. (90371.37, 114312.63)

13 years ago