DSRT 734 Week 12 Assignment – Due Sunday March 28th at 11:59

Instructor: Charles Edeki

Submit the assignment in the Week 12 Assignment drop box.

Total points is 50 (5 points each question)

Note: You can use Excel Application or solve it manually (pen and paper).

1. A social psychologist hypothesized that a factor in juvenile delinquency was the presence or absence of a strong father-figure in the home. He examined the folders of 100 inmates in the

federal reformatory and found that only 50 of these young men grew up with a strong father-figure

in the home. He also examined the records of 100 randomly selected male college students and

found that 70 of them had strong father-figures in their boyhood homes. Use the chi square method

to test the psychologist’s hypothesis.

2. A labor official predicted that the following percentages of makes of cars would be seen passing a picket line at an automobile plant where a strike was in progress.

General Motors Ford Chrysler Foreign Brand

38% 28% 24% 10%

The following numbers of cars were counted. Analyze the data and write a conclusion about

the official’s prediction.

General Motors Ford Chrysler Foreign Brand