Discussion:
Q: A wine manufacturer sells Cabernet Sauvignon with a label that asserts an alcohol content of 11%. Sixteen bottles of this cabernet are randomly selected and analyzed for alcohol content. The resulting observations are:
10.8
9.6
9.5
11.4
9.8
9.1
10.4
10.7
10.2
9.8
10.4
11.1
10.3
9.8
9.0
9.8
Do you think that the manufacturer is correct in its label claim?