A researcher is interested on whether three methods of enhancing teaching efficiency: seminar workshop (A), observing other teachers (B), formal taking of courses (C) yield different results. Ten...

Solve for test statistics using cochran's test.

Extracted text: A researcher is interested on whether three methods of enhancing teaching efficiency: seminar workshop (A), observing other teachers (B), formal taking of courses (C) yield different results. Ten groups of high school teachers, matched according to years teaching experience, GPA and units earned in the subject, were subjected to the three methods mentioned above. The mcasure is improved (1) or did not improve (0) in their teaching efficiency. Data is shown below.


Extracted text: Method A B 1 1 2 1 1 1 4 1 1 5 1 1 1 6 7 1 8. 1 9. 1 10 3.