Matthew Corp

question 30

Multiple Choice

Matthew Corp.has changed from a system of recording time worked on clock cards to a computerized payroll system in which employees record time in and out with magnetic cards.The computerized system automatically updates all payroll records.Because of this change,

• A)A generalized computer audit plan must be used.
• B)Part of the audit trail is altered.
• C)The potential for payroll-related fraud is diminished.
• D)Transactions must be processed in batches.

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Definitions:

Wilcoxon Rank-sum Test

A nonparametric statistical method employed to evaluate two independent samples to determine if there is a difference in their population mean ranks.

Tied Values

Instances where two or more data points or observations have the exact same value in a dataset.

Averaging Procedure

A method of summarizing data by calculating the mean or average of a set of values.

Wilcoxon Rank Sum Test

This statistical test, which doesn't assume a specific distribution, is used to assess if two distinct samples have different population mean rankings.