Instruction 15-3
a Computer Used by a 24-Hour Banking Service

question 102

Multiple Choice

Instruction 15-3
A computer used by a 24-hour banking service is supposed to randomly assign each transaction to one of five memory locations.A check at the end of a day's transactions gave the counts shown in the table to each of the five memory locations,along with the number of reported errors.
$$\begin{array} { | l | l | l | l | l | l | } \hline \text { Memory Location } & 1 & 2 & 3 & 4 & 5 \\\hline \text { Number of Transactions } & 82 & 100 & 74 & 92 & 102 \\\hline \text { Number of Reported Errors } & 11 & 12 & 6 & 9 & 10 \\\hline\end{array}$$ The bank manager wanted to test whether the proportion of errors in transactions assigned to each of the five memory locations differ.
-Referring to Instruction 15-3,the critical value of the test statistic at 1% level of significance is

• A)20.0902.
• B)23.2093.
• C)13.2767.
• D)7.7794.

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Definitions:

Electrodes

Devices that conduct electricity, often used in medical treatments or equipment to record or stimulate electrical activity in the body.

Electrocardiogram

A test that records the electrical activity of the heart to identify irregularities in heart rhythm and structure.

Electrical Impulse Sensors

Devices used to detect and measure electrical signals, often utilized in medical diagnostics and monitoring.

Spirometer

An instrument that measures the air taken in and expelled from the lungs.