The sum of the observed frequencies for all the rows of a test for independence must equal
A)the sum of the expected frequencies for all the rows.
B)the total N for the experiment.
C)the sum of the observed frequencies for all the columns.
D)all of the above.

Question

The sum of the observed frequencies for all the rows of a  test for independence must equal
A)the sum of the expected frequencies for all the rows. 
B)the total N for the experiment. 
C)the sum of the observed frequencies for all the columns. 
D)all of the above.

Quizplus · Accepted Answer

The Answer of The sum of the observed frequencies for all the rows of a  test for independence must equal
A)the sum of the expected frequencies for all the rows. 
B)the total N for the experiment. 
C)the sum of the observed frequencies for all the columns. 
D)all of the above.

The Sum of the Observed Frequencies for All the Rows