3.5. Table 3.13 shows data cross-classifying job satisfaction and income, stratified by gender, for black Americans. The data are analyzed in Agresti (2002, Chap. 7).

(a) Analyze the conditional association between job satisfaction and income, treating the variables as nominal.

(b) Analyze the conditional association between job satisfaction and income, treating the variables as ordinal.

(c) Compare the analyses in parts

(a) and

(b) in terms of simplicity of description and power for detecting an association.

TABLE 3.13. Job Satisfaction and Income by Gender Income*

1 2

3 4

Females'

1 1

2 0

0 2

3 3

1 2

Job Satisfaction"

3 11 17 8

4 4

2 3

5 2

Males'

1 1

0 0

0

' Job Satisfaction"

2 1

3 0

1 3 4 2 1 5 1 7 3 9 6 Source: General Social Survey.

"1, very dissatisfied; 2, a little satisfied; 3, moderately satisfied; 4, very satisfied.

b 1, lowest; 4, highest.