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

question 186

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, the degrees of freedom of the test statistic is

• A) 4.
• B) 8.
• C) 10.
• D) 448.

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Definitions:

Credit Card Discount

Fee charged by the credit card company for its services.

Net Sales

The revenue a company makes after subtracting the costs for returns, compensation for damaged or missing items, and any permitted discounts.

Gross Profit

The disparity between income generated and the expenses incurred in producing a product or delivering a service, prior to subtracting costs for overheads, employee salaries, taxes, and interest expenses.

Sales Discounts

Reductions granted from the listed price of goods or services, often used as a marketing strategy to encourage early payment or increase sales volume.