Small Sample Mean Problem. The maker of Mini-Oats Cereal uses an automated packaging machine to pack its 24 ounce box of cereal. At the end of every shift 16 boxes are selected at random and tested to see if the equipment needs to be readjusted. After one shift, a sample of 16 boxes yielded the following data. mean = 24.33 s = .64 n = 16.
What is the 90% Confidence Interval for this problem?