If the expected frequency for a chi square test for independ
If the expected frequency for a chi square test for independence are displayed in a matrix then:
 a. All rows of the matrix have exactly the same frequencies
 b. All rows of the matrix have a exactly the same totals
 c the proprtions for the categories in one row are exactly the same as the proportions in every row
 d. none of the other options accurately describes the matrix
Solution
Option (c) is correct.
Let me explain this by an example -

