TABLE 12-4 A Computer Used by a 24-Hour Banking Service Is Supposed

question 45

Multiple Choice

TABLE 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 Table 12-4, which test would be used to properly analyze the data in this experiment?

• A) X² test of independence
• B) X² test for difference among more than two proportions
• C) McNemar test for the difference between two proportions
• D) McNemar test for the difference among more than two proportions

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Definitions:

Technically Feasible

Refers to a project or proposal that is possible and practical to achieve with the current level of technology.

Least Cost

A principle or strategy focused on achieving a particular objective at the minimum possible cost.

Short Run

A period in economics where at least one factor of production is fixed, and firms can only partially adjust to changes in market demand.

Input

Resources such as labor, materials, and capital used in the production of goods and services.