Page 111 - Quantitative Data Analysis

Quantitative Data Analysis
Simply Explained Using SPSS

Chi Square Test in SPSS

1. Used to find the relationship between two
categorical variables.

2. The purpose of a Chi-Square is to compare the observed
frequencies to expected frequencies

3. Contingency table used to summarize frequencies within
levels of each variable

1. : There is no association between the two variables;

there is no difference between the observed values and
the expected values.

2. : There is a relationship between the two variables.

Example:
1. You want to know if there is a relationship between having
diabetes and diet. Of the 45 patients who had diabetes, 10
had a proper diet, and of the 955 cases of patients without
diabetes, 490 had proper diets.

Select crosstabs
Click on the “Analyze” tab and Select “Descriptive Statistics” from
the list Select “Crosstabs”

The Theory and Applications of Statistical Inferences 95