Natural Resource BiometricsTesting differences between two samples with similar varianceTesting the difference between two variances with similar varianceIf the F test for variance does not test significantly different you can calculate a pooled variance as: Testing the difference between two meansThe means of two samples can be tested for difference by:
Also See: Chapter 9  Significance of a Difference between Two Means pages 108124 in:
Chapter 9  TwoSample Hypotheses pages 126130 in:

Natural Resources Biometrics by David R. Larsen is licensed under a Creative Commons AttributionShareAlike 4.0 International License . Author: Dr. David R. Larsen Created: July 19, 2000 Last Updated: July 29, 2014 