Find the Variance for the Given Data $$\begin{array} { l l l l l } 18 & 16 & 12 & 2 & 11\end{array}$$

question 11

Multiple Choice

Find the variance for the given data. Round your answer to one more decimal place than the original data.
- $$\begin{array} { l l l l l } 18 & 16 & 12 & 2 & 11\end{array}$$

• A) 67.2
• B) 30.6
• C) 38.2
• D) 38.1

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Definitions:

Lateral Ventricle

A set of paired brain structures located in each hemisphere that contains cerebrospinal fluid, important for cushioning and supporting brain tissues.

Cerebrum

The largest part of the brain, consisting of the right and left hemispheres, responsible for voluntary activities, intelligence, memory, and personality.

Alpha Rhythm

A pattern of smooth, regular electrical oscillations in the human brain, typically around 8 to 12 Hz, associated with a state of wakeful relaxation.

EEG

Abbreviation for electroencephalogram, a test that measures electrical activity of the brain through small, flat metal discs attached to the scalp.