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When performing a χ2 test for 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. α=0.05, r=5, c=3
b. α=0.01. r=6, c=4
c. α=0.01, r=6, c=3
d. α=0.01, r=5, c=3
e. α=0.01, r=4, c=6
a. Determine the upper-tail critical value of the test statistic using the values given in the problem statement for part (a)
The critical value is ___
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