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