Below are matched pair data consisting of driving test scores for a sample of 11 licensed drivers before and after they took an online traffic safety class. At a CI.' significance level, use the sign test to test the claim that taking this online class does not affect driving test scores. 39 44 Before After 53 3] 41 55 39 4D 32 47 49 ISO 53 36 44 52 3? 41 36 52 4? 65 [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 warrant rejection of the claim that the online class does not affect driving test scores. '33:? There is sufficient evidence to warrant rejection of the claim that the online class does not affect driving test scores. '33:? There is sufficient evidence to support the claim that the online class does not affect driving test scores. '33:? There is not sufficient evidence to support the claim that the online class does not affect driving test scores