A student newspaper conducted a survey of student opinions about the Vietnam War in May 1967. Responses were classified by sex, year in the program and one of four opinions. The survey was voluntary.
A data frame with 40 observations on the following 4 variables.
the count
a factor with
levels A (defeat power of North Vietnam by widespread bombing and
land invasion) B (follow the present policy) C (withdraw
troops to strong points and open negotiations on elections involving the
Viet Cong) D (immediate withdrawal of all U.S. troops)
a factor with levels Female Male
a factor with levels Fresh Grad
Junior Senior Soph