An experiment on the effects of a hormone on blood calcium levels in robins
A data frame with 20 observations on the following 5 variables.
BirdID number for each bird (1 to 20)
Sexfemale or male
HormoneTreated with hormone (no or yes)
GroupCombined Sex and Hormone (F No, F Yes, M No, or M Yes)
CaBlood calcium level (mg per 100 ml)
An experiment looked at the effects of treatment with a hormone for increasing the concentration of calcium in birds. Twenty birds (robins) were used in the study, ten male and ten female, equally divided between the hormone and no hormone treatments.