Economists at USF Are Researching the Problem of Absenteeism at U.S

question 50

Multiple Choice

Economists at USF are researching the problem of absenteeism at U.S. firms. A random sample of 100 U.S. organizations was selected to participate in a 1-year study. As part of the study, the economists had collected data on the following two variables for each company: shiftwork available (Yes or No) , and union-management relationship (Good or Poor) . As part of their analyses, the economists wanted to determine whether or not a company makes shiftwork available depends on the relationship between union and management. The collected data are
Shown below:

$\begin{array}{lccc} & {\text { Relation }} & \\\text { Shiftwork } & \text { Good } & \text { Bad } & \text { Total } \\\text { No } & 11 & 22 & 33 \\\text { Yes } & 25 & 42 & 67 \\\text { Total } & 36 & 64 & 100\end{array}$

Use the chi-square distribution to determine the rejection region for this test when testing at $\alpha =$ $0.05$ .

• A) Reject \(\mathrm { H } _ { 0 }\) if \(\chi ^ { 2 } > 7.81473\)
• B) Reject \(\mathrm { H } _ { 0 }\) if \(\chi ^ { 2 } > 3.84146\)
• C) Reject \(\mathrm { H } _ { 0 }\) if \(\chi ^ { 2 } > 5.02389\)
• D) Reject \(\mathrm { H } _ { 0 }\) if \(\chi ^ { 2 } > 5.99147\)

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