BUS352 Chapter 11 Problems

11.21 When performing a x2 test of independence in a contingency table with r rows and c columns, determine the upper-tail critical value of the test statistic in each of the following circumstances:

a. a = 0.05, r = 4 rows, c = 5 columns

b. a = 0.01, r = 4 rows, c = 5 columns

c. a = 0.01, r = 4 rows, c = 6 columns

d. a = 0.01, r = 3 rows, c = 6 columns

e. a = 0.01, r = 6 rows, c = 3 columns

11.25 Where people look for news is different for various age groups. A study indicated where different age groups primarily get their news:

At the 0.05 level of significance, is there evidence of a significant relationship between the age group and where people primarily get their news? If so, explain the relationship.

11.23 Is there a generation gap in the type of music that people listen to? The following table represents the type of favorite music for a sample of 1,000 respondents classified according to their age group: