Germination of seeds depending on moisture and covering
A Biologist analyzed an experiment to determine the effect of moisture content on seed germination. Eight boxes of 100 seeds each were treated with the same moisture level. 4 boxes were covered and 4 left uncovered. The process was repeated at 6 different moisture levels (nonlinear scale).
data(seeds)
A data frame with 48 observations on the following 3 variables.
germpercentage germinated
moisturemoisture level
covereda factor with levels no yes
Chatfield C. (1995) Problem Solving: A Statistician's Guide, 2ed Chapman Hall.
data(seeds) ## maybe str(seeds) ; plot(seeds) ...
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