a cereal company claims that the mean weight of the ceral in its packets is at least 14 oz. The weights (in ounces) of the cereal in a random sample of 8 of its cereal packets are listed below....

a cereal company claims that the mean weight of the ceral in its packets is at least 14 oz. The weights (in ounces) of the cereal in a random sample of 8 of its cereal packets are listed below. 14.6 13.8 14.1 13.7 14.0 14.4 13.6 14.2 At the 0.01 significance level, test the cliam that the mean weight is 14 ounces. You may assume the weight of ceral packets is normally distruted.