A Business Statistician Wishes to Determine Whether Current Unemployment Rates

question 13

Multiple Choice

A business statistician wishes to determine whether current unemployment rates differ between former communist countries and European/Asian nations that have not been under communist control. A sample of 10 countries each was randomly chosen from all eligible countries. The data are as follows: $\begin{array} { c c } \hline \text { Former Communist } & \text { Not Former Communist } \\\text { (\%) } & \text { (\%) } \\\hline 23 & 12 \\13 & 8 \\33 & 9 \\21 & 14 \\17 & 7 \\24 & 8 \\12 & 10 \\18 & 11 \\27 & 12 \\16 & 7 \\\hline\end{array}$
-The degrees of freedom for this problem are

• A)20
• B)18
• C)10
• D)9

---

Definitions:

Product Layout

An arrangement of resources in a production process according to the sequence of operations for products.

Servicescape

The physical environment in which a service process takes place, and how it affects customers' perceptions and behaviors.

Retail Layout

The strategic arrangement of physical space and displays in a retail store to optimize customer experience and sales.

Material Handling

The process of moving, safeguarding, storing, managing, and overseeing materials and products during production, storage, distribution, use, and disposal stages.