A statistics instructor measured student attitudes toward a statistics course prior to lectures, at the midterm, and after the final . Attitudes were measured on a 16-point scale, with higher scores indicating more positive attitudes toward the statistics course. Student Prior to

Lectures At the

Midterm After the

Final A 6 5 12 B 4 9 14 C 8 12 14 D 12 13 16 E 5 6 11 Based on the results shown in the table, test whether or not attitudes differed using the Friedman test at a 0.05 level of significance. (Round your answer to two decimal places.)

=

State whether to retain or reject the null hypothesis.

Retain the null hypothesis.

Reject the null hypothesis.