Statistical Test for Comparing Two Variances
Which of the following statistical tests is used to compare two variances?
- Z-test
- T-test
- F-test — Correct Answer
- Chi-square test
Explanation:
Correct Answer: F-test
F-test is used to compare two variances. It is also used in ANOVA to compare more than two sample means.
Statistical Tests Summary
| Test | Application | Condition |
|---|---|---|
| Z-test (Large sample test) | Compare sample mean and population mean | n > 30; population SD known |
| T-test (Small sample test) | Compare sample mean and population mean | n < 30; population SD unknown |
| F-test / ANOVA | Compare two variances OR more than two sample means | — |
| Chi-square test | Non-parametric; goodness of fit; test for independence | Enumeration data only; always positive |
📚 About this Topic — Animal Genetics & Breeding
This multiple choice question is from Animal Genetics & Breeding, Animal Refresher. It has 4 options with a detailed explanation of the correct answer. Practice more MCQs from Animal Genetics & Breeding to strengthen your preparation.
