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>"nobody argues that there are zero differences between groups in an experiment" The null hypothesis (usually) assumes that the two groups are samples from the
by nonbel 11y ago
>"nobody argues that there are zero differences between groups in an experiment"
The null hypothesis (usually) assumes that the two groups are samples from the same distribution.
Do you agree?
- evmar 11y agoYes. Isn't that fundamental to experimental design, that group membership is random? (You certainly know this as well, so I'm again confused about what your question is intended to provoke.)
- nonbel 11y agoAnd so what? Forget the math, say the two groups come from different distributions. Omniscient Jones told us so. What can we learn from that?