(Use Excel) A statistics instructor wonders w hether significant differences exist in her students'final exam scores in her three different sections. She random ly selects the scores from 10 different students in each section. A portion o f the data is shown below; the complete data, labeled Exam Scores, are available on the text website.

Section 1 Section 2 Section 3 85 91 74 68 84 69 74 75 73 Do these data provide enough evidence at the 5%

significance level to indicate that there are some differences in final exam scores among these three sections? P-69