Assume that a simple random sample has been selected and test the given claim Listed below are the lead concentrations in g/g measured in different traditional medicines Use a 0.01 significance level to test the claim that the mean load concentration for all such medicines is less than 14 g/g 30 55 65 6.0 20.5 7.0 12.5 21.0 12.0 18.0 OA H-14 g/g H, 14 po/g OB Ho 14 pg/0 Hp-14 g/g OCH