1. Students enrolled in introductory sociology were classified as to their occupational aspirations and their sex.The following data were obtained:

High Low

Aspirations Aspirations Total

Male 43 10 53

Female 71 93 164

Total 114 103 217

a. Using and reporting the appropriate percentages, determine which sex has higher aspirations.

b. Compute the expected cell frequencies under the assumption that the null hypothesis is true.

c. Test the null hypothesis that males and females do not differ in their occupational aspirations.Use = .05.

d. Compute and interpret an appropriate measure of association.

2. a. A researcher has asked members of various occupations if they favor or oppose increasing welfare benefits at the taxpayer's expense.Treating occupation as a nominal-level independent variable, use the following data to test the null hypothesis that occupation is not related to attitudes toward increased welfare benefits.Use = .05.

Occupational Level Favors Opposes

Professional 46 97

Clerical 81 143

Skilled 93 88

Semiskilled 241 136

Unskilled 131 38

Total 592 502

b. Compute and interpret an appropriate measure of association.

c. Which occupational group is most likely to favor increased welfare payments?What percentage of this group favors payments?

Which occupational group is most likely to oppose increased welfare payments?

What percentage of this group opposes payments?