SCENARIO 12-4
a Computer Used by a 24-Hour Banking Service $\chi$

question 88

Multiple Choice

SCENARIO 12-4
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.
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?

• A)\(\chi\) ² test of independence
• B)\(\chi\)² test for difference among more than two proportions
• C)Wilcoxon rank sum test
• D)Kruskal-Wallis rank Test

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