Russel-Research-Method-in-Anthropology

558 Chapter 19
level of education), are interval. (They are really ratio variables, but recall
from chapter 2 that ratio variables are conventionally referred to as ‘‘interval.’’)
For AGE, we simply asked respondents ‘‘How old are you?’’ Here is the
question from the survey that produced the data for EDUC:
What is the highest grade of school or year in college you yourself completed?
None 0
Elementary 01
Elementary 02
Elementary 03
Elementary 04
Elementary 05
Elementary 06
Elementary 07
Elementary 08
High School 09
High School 10
High School 11
High School 12
College—one year 13
College—two years 14
College—three years 15
College—four years 16
Some Graduate School 17
Graduate/Prof. Degree 18
Frequency Distributions
Tables 19.3a–e show the raw data from table 19.2 transformed into a set of
frequency distributions. I used SYSTAT to produce tables 19.3a–e, but any
program will do.
TABLE 19.3a
Frequency Table of the Variable GENDER
Count Cum. Count Percent Cum. Percent Variable GENDER
18 18 60 60 Male
12 30 40 100 Female