The Following Table Presents the Heights (In Inches) of a Sample

question 35

Multiple Choice

The following table presents the heights (in inches) of a sample of college basketball play
$\begin{array}{cc}\hline \text { Height (in.) } & \text { Frequency } \\\hline 68-71 & 3 \\72-75 & 5 \\76-79 & 2 \\80-83 & 2 \\84-87 & 2 \\\hline\end{array}$
Considering the data to be a population, approximate the variance of the heights. .

• A) 5.6
• B) 31.0
• C) 28.8
• D) 5.4

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Definitions:

Respondent Behavior

A type of behavior that occurs as an automatic response to a specific stimulus, often reflexive and not under conscious control, such as knee-jerk reactions.

Shaping

A method of teaching new behaviors by rewarding successive approximations of the target behavior.

Reinforcement

In psychology, a stimulus or event that follows a behavior and increases the likelihood of that behavior being repeated.

Shaping

A method of operant conditioning where successive approximations of a desired behavior are reinforced until the exact behavior is achieved.