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 36

Multiple Choice

Use the following information to answer the question. Can deep-knee bends help you stay alert in class? Forty subjects were
measured for alertness at the beginning of class then voluntarily performed fifteen deep-knee bends followed by a forty
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
$\begin{array}{l}H_{0}: \text { median }=0 \\H_{A}: \text { median } \neq 0\end{array}$
$\begin{array}{|l|l|l|l|l|l|l|l|}\hline \text { Variable } & \mathrm{n} & \mathrm{n} \text { for tests } & \text { Sample Median } & \text { Below } & \text { Equal } & \text { Above } & \text { P-value } \\\hline \text { Difference } & 40 & 35 & 1 & 14 & 5 & 21 & 0.4777 \\\hline\end{array}$
-What is the name and value of the test statistic?

• A) \( S=21 \)
• B) \( F=21 \)
• C) \( S=14 \)
• D) \( Z=5 \)

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Definitions:

Self-concept Theory

A psychological framework suggesting that individuals have a collection of beliefs about themselves that influence their behavior and attitudes.

Looking-glass Self

A concept in sociology that suggests an individual's self-perception is influenced by how they believe others perceive them.

Ideal Self

A person's conception of how they would like to be or believe they should be, often serving as a motivation for self-improvement or behavioral change.

Real Self

People as they actually are.