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Statistics LibreTexts

12: Analysis of Variance

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  • 12.1: F-Tests
    Another important and useful family of distributions in statistics is the family of F-distributions. An F random variable is a random variable that assumes only positive values and follows an F-distribution. Each member of the F-distribution family is specified by a pair of parameters called degrees of freedom. An F-test can be used to evaluate the hypothesis of two identical normal population variances.
  • 12.2: F-Tests in One-Way ANOVA
    In this section we will learn to compare three or more population means at the same time, which is often of interest in practical applications. For example, an administrator at a university may be interested in knowing whether student grade point averages are the same for different majors. In another example, an oncologist may be interested in knowing whether patients with the same type of cancer have the same average survival times under several different competing cancer treatments.


12: Analysis of Variance is shared under a not declared license and was authored, remixed, and/or curated by LibreTexts.

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