Is lighter better? A random sample of men’s soccer shoes from an international catalog had the following weights (in ounces).
10.8 9.8 8.8 9.6 9.9
10 8.4 9.6 10 9.4
9.8 9.4 9.8
At a =0.05 can it be concluded that the average weight is less than 10 ounces.