1. Mr. X is a professor in Statistics III. He gave an examination before and after he discussed the topic "testing hypothesis" and gathered the following data: Student Score After Score Before the...

Extracted text: 1. Mr. X is a professor in Statistics III. He gave an examination before and after he discussed the topic "testing hypothesis" and gathered the following data: Student Score After Score Before the Discussion the Discussion 1 85 81 2 90 87 3 75 70 4 93 89 5 88 85 60 65 7 78 75 8 92 92 9 86 85 10 95 92 = .01 level of significance, is learning effective?