Cheddar Cheese Consumption A consumer group claims that the mean annual consumption of cheddar cheese by a person in the United States is
at most 10.3 pounds. A random sample of 100 people in the United States
has a mean annual cheddar cheese consumption of 9.9 pounds. Assume the
population standard deviation is 2.1 pounds. At a = 0.05, can you reject the
claim? (Adapted from U. S. Department of Agriculure)