The question is:Exhibit 6-9 displays the results of a paired t test in which we were interested in determining if the attitudes of HIM students toward statistics changed after viewing a video. We failed to reject the null hypothesis in this situation. What are some of the reasons for our failure to reject the null in this situation?

The t Test 179 Exhibit 6-9 SPSS Output for Paired Sample t Test Paired Samples Statistics Pair 1 Prevideo Postvideo Mean 17.1000 20.8000 N 10 Std. Deviation 10 10.2029 12.9168 Std. Error Mean 3.2265 4.0847 Paired Samples Test Pair 1 Prevideo- Postvideo Paired Differences Mean -3.7000 Std. Deviation 6.4472 Std. Error Mean 2.0388 95% Confidence Interval Lower -8.3121 of the Difference Upper .9121 -1.815 9 Sig. (2-tailed) 103