A factory fills bottles with a beverage, and each bottle is supposed to contain 500 Norah is in charge of a quality control test that involves measuring the amounts in a
sample of bottles to see if the sample mean amount is significantly different than 500
mL . She takes a random sample of 16 bottles and finds a mean amount of 497
mL
and a sample standard deviation of 6
Norah wants to use these sample data to conduct a test on the mean. Assume that all
conditions for inference have been met.
mL