Chisquare test for independence of attributes.
Negative appeal is recognized as an effective method of persuasion in advertising. A study in The Journal of Advertising reported the results of a content analysis of guilt and fear advertisements in 24 magazines. The number of ads with guilt and fear appeals that appeared in particular magazine type follows:
Statgraphics or Excel is recommended for this problem.
Type of Appeal

Magazine Type

Number of Ads with Guilt Appeals

Number of Ads with Fear Appeals


News and opinion

20

10


General editorial

15

11


Familyoriented

30

19


Business/financial

22

17


Femaleoriented

16

14


AfricanAmerican

12

15


Use the Chisquare test of independence with a .01 level of significance to establish whether appeal is independent from type.
Compute the value of the X^{2} test statistic (to 2 decimals).
What is the pvalue?
What is your conclusion?