The length of human pregnancy is known to have a mean of
266 days and a standard deviation of 16 days. Based on
records from a large women's hospital, a random sample of
25 women who were smoking and/or drinking alcohol during
their pregnancy and their pregnancy lengths are recorded.
Usage
data(Pregnancy)
Arguments
format
A data frame with 25 observations on the following variables.
length
{the length of pregnancy (in days) of women who were smoking and/or drinking alcohol during their pregnancy}
References
Part of the Carnegie Mellon University Online Learning
Initiative datasets.