Chi-Square Test of Association

Question 1

A statistical process that summarizes categorical data to create a contingency table. They provide a basic picture of the interrelation between two variables and can help find interactions between them.

Answer 1

Cross Tabulation

Question 2

Chi-Square Test

Answer 2

1. Looks for ASSOCIATION between two CATEGORICAL VARIABLES.
2. It measures the difference between expected and observed frequencies based on an assumption of independent joint probability.
3. Measures how much variation there is in each cell of the table and computes whether this amount of difference is likely due to chance or not.

Question 3

If test statistics > critical value

Answer 3

Null hypothesis is rejected

Question 4

If test statistic

Answer 4

Cannot reject the Null Hypothesis