The director of advertising for a large newspaper is studying the relationship between the type of community in which a subscriber resides and the portion of the newspaper they read first. For a sample of readers, the advertising director collected the following sample information:
National News Sports Comics
City 180 140 70
Suburb 130 113 90
Rural 130 90 93
H0: There is no relationship between community type and section read.
H1: There is relationship between community type and section read.
a. State the decision rule. Use the 0.05 significance level. Appendix B.6. (Round the final answer to 3 decimal places.)
Reject H0 if 2 >
.
b. Compute the value of chi-square. (Round the intermediate calculations to 2 decimal places and the final answer to 3 decimal places.)
Chi-square value
c. What is your decision regarding H0? At the 0.05 significance level, can we conclude there is a relationship between the type of community where the person resides and the portion of the paper read first?
(Click to select)
H0. There
(Click to select)
between the type of community and section read.