The expected frequency based on the table in Q5,for an improved homework and a monetary reward is calculated by:
A)[row total (homework improved)× column total (monetary reward)] / total number of participants
B)[total number of participants / row total (homework improved)] × column total (monetary reward)
C)[row total (homework improved)/ column total (monetary reward)] × total number of participants
D)[row total (homework improved)× row total (homework not improved)] / total number of participants

Question

Quizplus · Accepted Answer

The expected frequency in a contingency table is calculated by multiplying the row total for the category of interest by the column total for the category of interest, and then dividing by the total number of observations or participants. This formula is accurately represented in option A.

The Expected Frequency Based on the Table in Q5,for an Improved