A computer used by a 24-hour banking service is supposed to randomly assign each transaction to one of 5 memory locations. A check at the end of a day's transactions gave the counts shown in the table to each of the 5 memory locations, along with the number of reported errors.

Memory Location	1	2	3	4	5
Number of Transactions	82	100	74	92	102
Number of Reported Errors	11	12	6	9	10

The bank manager wanted to test whether the proportion of errors in transactions assigned to each of the 5 memory locations differ. Referring to Scenario 12-4, which test would be used to properly analyze the data in this experiment?

Options:

A)	Wilcoxon rank sum test

B)	2 test for difference among more than two proportions

C)	2 test of independence

D)	Kruskal-Wallis rank Test

When testing for independence in a contingency table with 3 rows and 4 columns, there are ________ degrees of freedom.

Options:

A)

12

B)

6

C)

7

D)

5