TABLE 12-3 A Computer Used by a 24-Hour Banking Service Is Supposed

question 161

Multiple Choice

TABLE 12-3
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 12-3, the degrees of freedom of the test statistic is

• A) 4
• B) 8
• C) 10
• D) 448

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Definitions:

Discount Rate

The interest rate used to discount future cash flows to their present value, often used in the valuation of investments.

Time Periods

Distinct intervals of time within which certain activities or events occur or are completed.

Simple Interest

Simple interest is a method of calculating the interest charge on a loan based on the original principal balance without compounding.

Rate of Return

The financial improvement or decline in an investment across a particular period, indicated as a percentage of the investment’s entry cost.