Stress Data for Two-Way ANCOVA
Researchers want to evaluate the effect of a new "treatment" and "exercise" on the stress score reduction after adjusting for "age".
Two-way ANCOVA can be performed in order to determine whether there is interaction between exercise and treatment on the stress score.
data("stress")A data frame with 60 rows and 5 columns.
data(stress) head(as.data.frame(stress))
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