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

question 28

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

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Definitions:

World War II

A global conflict that lasted from 1939 to 1945, involving most of the world's nations.

Medicare

A federal program that provides for (1) compulsory hospital insurance for senior citizens, (2) low-cost voluntary insurance to help older Americans pay physicians’ fees, and (3) subsidized insurance to buy prescription drugs. Financed by payroll taxes.

Social Security

The social insurance program in the United States financed by federal payroll taxes on employers and employees and designed to replace a portion of the earnings lost when workers become disabled, retire, or die.

Medicaid

A federal program that helps finance the medical expenses of individuals covered by the Supplemental Security Income (SSI) and Temporary Assistance for Needy Families (TANF) programs.