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

question 123

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.
$$\begin{array}{l}\begin{array} { l l l l l r } \hline \text { Memory Location: } & 1 & 2 & 3 & 4 & 5 \\\hline \text { Number of Transactions: } & 82 & 100 & 74 & 92&102\\\text { Number of Reported Errors: } & 11 & 12 & 6 & 9 & 10\end{array}\\\begin{array} { l l l l l l } \end{array}\end{array}$$ 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) 10.
• B) 4.
• C) 8.
• D) 448.

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Definitions:

Line-Length Judgments

The evaluation or estimation of the length of lines, which can be influenced by visual illusions or perceptual biases.

Compliance Tactics

Techniques used to persuade or influence others to agree with or obey a particular request or command.

Chameleon Effect

The unconscious mimicry of the postures, mannerisms, facial expressions, and other behaviors of one's interaction partners, reflecting social adaptation.

Injunctive Norm

Social norms that are understood as what is typically approved or disapproved within a culture.