A subset of the data from the carData::GSSvocab dataset from the
carData package, containing observations from 2016 only.
A data frame with 1858 rows and 3 variables:
vocab: numeric; the number of words out of 10 correct on a vocabulary
test.
nativeBorn: factor; Was the respondent born in the US? A factor with
levels no and yes.
ageGroup: factor; grouped age of the respondent with levels 18-29
30-39, 40-49, 50-59, and 60+.