Question

A statistics instructor measured student attitudes toward a statistics course prior to lectures, at the midterm, and after the final exam. 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 11 B 4 10 15 C 8 12 13 D 12 11 16 E 5 7 10 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.) $ \chi_{R}^2 $ =

Answer 1

from above X² =7.60

reject Ho

Conclude that attitudes differs