Question: A teacher proposes a course designed to increase reading speed and comprehension. TO evaluate the effectiveness of this course, the teacher tests students confidence before and after the course: the sample results follow. Test the claim that the scores are higher after the course. Use a .05 significance level.

Student A B C D E F G H I J

Before 100 170 135 167 200 118 127 95 112 136

After 136 160 120 169 200 140 163 101 138 129