11.21 When performing a x2 test of independence in a contin-gency 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
11.21 When performing a x2 test of independence in a contin-gency 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