Page 106 - Quantitative Data Analysis

Quantitative Data Analysis
Simply Explained Using SPSS

Step 3: Calculate expected numbers for each individual cell. Do this
by multiplying row sum by column sum and dividing by total
number.
×

Step 4: Put both observed number and expected number in each
cell

Variable A: Parents Education total

Without With
Education Education

Obs. 35 75 110

Fail Exp. (110×45/200) (110×155/200)
Variable B: Student Result Pass Obs. 10 80 90
= 24.75
= 85.25

(45×90/200)
Exp.
(155×90/200)

155
45
total = 20.25 = 69.75 200

Step 5: Calculate this formula for each cell, one at a time, then add
them all together.

The Theory and Applications of Statistical Inferences 90