10 181 A simple random sample of as football players is 20 taken from different teams and their mean weight is found to be 230 pounds Is the standard deviation of the population is dos pounds . At a significance level of o. ol , test the claim the average weight for all football players is 225 pounds . critical value ; ( round 2 dee . places ) Test statistic:bob- of to boy ( round 2 dec. places ) * - value : _ (round 4 decimal places ) Reject or support the claim