BUS352 Chapter 11 Problems

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11.21

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

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

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: