The Table Below Lists the Populations, in Thousands, of Several

question 50

Multiple Choice

The table below lists the populations, in thousands, of several rural western counties. What is the median population?

$\begin{array} { c c } \hline \text { County } & \text { Population (thousands) } \\\hline \text { Aldridge } & 25 \\\text { Cleveland } & 21 \\\text { McCarthy } & 9 \\\text { Pope } & 14 \\\text { Sorrell } & 24 \\\text { Wilson } & 19\end{array}$

• A) 18.7 thousand
• B) 20 thousand
• C) 17 thousand
• D) 16 thousand

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Definitions:

Unconditioned Stimulus

In classical conditioning, a stimulus that unconditionally, naturally, and automatically triggers a response without any prior learning.

Unconditioned Response

A natural, automatic reaction to a stimulus that occurs without prior learning or conditioning.

Conditioned Response

A response acquired through learning to a stimulus that was initially neutral, but has been paired with an unconditioned stimulus via conditioning.

Conditioned Stimulus

A previously neutral stimulus that, after being repeatedly associated with an unconditioned stimulus, elicits a conditioned response.