Description
40 rats were given divided randomly into four groups and assigned to one of
four treatments: placebo, drug A, drug B, or both drug A and drug B.
Response is a standard measure of physiological arousal.
Format
A data frame with 40 observations, 10 in each of 4 columns the
corresponding to placebo, drug A, drug B and both drug A and drug B; no
NAs. - Placebo
- Rats receiving a placebo treatment.
- Drug.A
- Rats receiving only drug A.
- Drug.B
- Rats receiving only drug B.
- Drug.A.B
- Rats receiving both drug A and drug B.
Source
Richard Lowry. Concepts & Applications of Inferential Statistics.
Vassar College, Poughkeepsie, N.Y., 2010,
http://faculty.vassar.edu/lowry/webtext.html