What is a chi-squared test used to measure?

1 Answer
Feb 26, 2017

Answer:

The #chi ^2# test is used to investigate whether distributions of categorical variables differ from one another.

Explanation:

The #chi ^2# test can only be used on actual numbers, not on percentages, proportions or means.

The #chi ^2# statistic compares the tallies or counts of categorical responses between two or more independent groups.

In summary:
The #chi ^2# test is used to investigate whether distributions of categorical variables differ from one another.