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:

Miguel's Consumer Surplus

The difference between what Miguel is willing to pay for a good or service and what he actually pays, measuring the benefit or surplus value he receives.

Willingness to Pay

The maximum amount a consumer is prepared to spend for a good or service, reflecting the value they place on it.

Demand Curve

A visual diagram depicting how the price of an item correlates with consumer demand for it.

Consumer Surplus

The difference between what consumers are willing to pay for a good or service and what they actually pay, indicating the benefit to consumers.