Practical Suggestions on Pooling Variances for F Tests of Treatment Effects1
- 1 March 1969
- journal article
- research article
- Published by Wiley in Agronomy Journal
- Vol. 61 (2) , 334-336
- https://doi.org/10.2134/agronj1969.00021962006100020051x
Abstract
A two‐part rule is given as a practical guide in preliminary tests of significance for determining whether or not to pool two or more variances for use as “error term” in subsequent F tests for treatment effects. Four examples involving commonly occuring analysis of variance tables are given to illustrate the use of the rule.Keywords
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