1. You are interested to see if the relative frequency of those who hung out with their friends after school during the past week who were abused is different from the relative frequency of those who did not hang out with their friends who were abused. Using the table below, answer the following questions:

Hang out With Friends After School During Past Week

Child abuse yes 3142 4416

No 2702 3612

a.What percentage of those who hung out with their friends have been abused?

b.How many people were in the sample?

c.Demonstrate how degrees of freedom for the chi-square test were determined.

d.Write in symbols a null and research hypothesis.

e.Test your null hypothesis at the .05 level of significance.

f.Can you reject your null hypothesis? How do you know? Be specific!

2. What would the degrees of freedom be if you had a 3x7 table?