Question

A quality control specialist for a restaurant chain takes a random sample of size 10 to check the amount of soda served in the 16 oz. serving size. The sample mean is 13.60 with a sample standard deviation of 1.54. Assume the underlying population is normally distributed.

Find the 95% confidence interval for the true population mean for the amount of soda served. (Round your answers to two decimal places.)

Answer 1

Ans) Given date = 13.6 = 1.54 n=1 dfar Enola91220.05 critical value te= tarzida te= c=20262 .:95 %CI=7tt. texo a - 13.6 +2.262x1.54 Vio = 13.6 +1.10 - (2.5, 1.7 2