For questions 5 - 9 below, use the traditional method of hypothesis testing to test the given claim about the means of two Five students took a math test before and after tutoring. Their scores were as follows. Student A B C D E Before 71 66 67 77 75 After 75 75 65 80 87 Using a 0.01 level of significance, test the claim that the tutoring has an effect on the math scores. 6. Find d, ,dand sd, Solution: Instructor Comments: 8. Find the critical value(s) and state the decision about the null hypothesis. Solution: Instructor Comments: 9. State the conclusion in non-technical terms. Solution: Instructor Comments: im about the means of two populations. Assume that two dependent samples have been randomly selected from normally distributed from normally distributed populations