Use the Following Information to Answer the Question $\begin{array}{l}H_{0}: \text { median }=0 \\H_{A}: \text { median } \neq 0\end{array}$

question 35

Multiple Choice

Use the following information to answer the question. Can stretching help you stay alert in class? Thirty-six subjects were
measured for alertness at the beginning of class; the subjects then participated in some light arm and neck stretches followed
by a forty-five minute lecture. Each subject was then measured for alertness at the end of the lecture. The hypothesis test
results for the sign test are summarized below. Assume that all conditions for testing have been met: Hypothesis test results:
Parameter: Median of variable
$\begin{array}{l}H_{0}: \text { median }=0 \\H_{A}: \text { median } \neq 0\end{array}$
$\begin{array}{|l|l|l|l|l|l|l|l|}\hline \text { Variable } & \mathrm{n} & \mathrm{n} \text { for tests } & \text { Sample Median } & \text { Below } & \text { Equal } & \text { Above } & \text { P-value } \\\hline \text { Difference } & 36 & 32 & 1 & 12 & 4 & 20 & 0.2153 \\\hline\end{array}$
-What is the name and value of the test statistic?

• A) \( Z=12 \)
• B) \( \mathrm{F}=20 \)
• C) \( S=20 \)
• D) \( S=12 \)

---

Definitions:

In-House

Refers to activities performed within an organization by its own staff and resources, rather than being outsourced.

Technical Expertise

Involves specialized knowledge or skills in a specific field or technology, allowing for enhanced performance and problem-solving.

Customer Service

The support and assistance provided by a company to those who buy or use its products or services.

Core Competency

Fundamental strengths or unique advantages that an organization possesses, distinguishing it from competitors and driving sustainable competitive advantage.