alleryStart learning →The variance within samples is described as the average of the:
ASample means
BSample medians
CSample ranges
DSample variances
Answer & Solution
Correct answer: D. Sample variances
1. The within-groups estimate pools information from each group.
2. Variance within samples is an estimate of the population variance.
3. It is the average of the sample variances.
4. That average is also known as a pooled variance.
_Source: OpenStax Introductory Statistics 2e (CC BY 4.0), Ch 13 'The F Distribution and One-Way ANOVA', sections 13.1-13.4_
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