Approximate the Population Standard Deviation Given the Following Frequency Distribution

question 25

Multiple Choice

Approximate the population standard deviation given the following frequency distribution.

$\begin{array} { c c } \hline \text { Class } & \text { Frequency } \\\hline 0 - 14 & 15 \\15 - 29 & 9 \\30 - 44 & 8 \\45 - 59 & 8 \\60 - 74 & 13 \\\hline\end{array}$

• A) 23.6
• B) 556.1
• C) 545.6
• D) 23.4

Acknowledge the benefits and costs of territoriality in animals.

Understand the basic characteristics that define chordates and vertebrates.

Recognize the evolutionary sequence and relationships among various groups of chordates and vertebrates.

Identify the main adaptations of vertebrates to their environments.

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Definitions:

N3 Sleep

The third stage of non-REM sleep, characterized by deep sleep and the lowest levels of physiological activity within the sleep cycle.

REM Sleep

A phase of sleep characterized by rapid eye movements, dreaming, and heightened brain activity.

N1 Sleep

The initial stage of the sleep cycle, characterized by light sleep and the transition from wakefulness into deeper sleep stages.

N2 Sleep

A stage of sleep characterized by sleep spindles and K-complexes, representing a deeper sleep than N1 and precedes the deep sleep stages.