Five students in a large lecture class compared their scores on two exams Looks like the class mean was higher on the second exam, Bob said (a) What kind of test would you use (b) At Icirc plusmn 10, what is the critical value (c) Do you agree with Bob Explain Bill Exam 1 75 Exam 286 Mary 85 81 Sam 90 90 Sarah 65 71 Megan 86 89

Question: Five students in a large lecture class compared their scores on two exams. Looks like the class mean was higher on the second exam, Bob

Five students in a large lecture class compared their scores on two exams. "Looks like the class mean was higher on the second exam," Bob said.
(a) What kind of test would you use?
(b) At Î± = .10, what is the critical value?
(c) Do you agree with Bob? Explain.

Bill Exam 1 75 Exam 286 Mary 85 81 Sam 90 90 Sarah 65 71 Megan 86 89

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