Asked by Rishi Gowda on May 19, 2024
Verified
If we want to test for differences between two populations of nominal data with exactly two categories,we can employ either the z-test of p1 − p2,or the chi-squared test of a contingency table.
Z-Test
This is a statistical test used to determine whether two population means are different when the variances are known and the sample size is large.
Chi-Squared Test
A statistical method applied to ascertain whether a meaningful relationship exists between two variables of categorical nature.
Nominal Data
Data categorized into distinctly named groups without any natural order or ranking among them.
- Recognize the relationship between chi-squared tests and other statistical tests for nominal data.
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Learning Objectives
- Recognize the relationship between chi-squared tests and other statistical tests for nominal data.
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