The heights of 16 randomly selected men are given below [in inches]. The sign test at the 0.05 significance level will be used .0 test the claim that the population median is less than 7'0 inches. 69.1 6?.3 69 67 69.1 68.3 63.6 3'0 {a} What is the value of the test statistic used in this sign test? [b] What is the critical value in this sign test? {c} What is the correct conclusion of this sign test? '33:? There is not sufficient evidence to support the claim that the population median is less than I'D inches. C? There is sufficient evidence to support the claim that the population median is less than 70 inches. '33:? There is sufficient evidence to warrant rejection of the claim that the population median is less than }'CI inches. C? There is not sufficient evidence to warrant rejection of the claim that the population median is less than 1'0 inches