Average High School Grade Watched Sesame Street Did Not Watch Sesame Street 86 99 90 79 87 97 89 83 91 94 82 86 97 89 83 81 98 92 85 92 n = 10 n = 10 M = 93 M = 85 SS = 200 SS = 160 Is there a significant difference in reported performance between the two groups of students? Use an independent-measures two-tailed test with a = .01. t-critical Reject the null hypothesis; there is no significant difference. Fail to reject the null hypothesis; there is a significant difference. Fail to reject the null hypothesis; there is no significant difference. Reject the nullI hypothesis; there is a significant difference.

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