Approximate the Sample Standard Deviation Given the Following Frequency Distribution

question 57

Multiple Choice

Approximate the sample standard deviation given the following frequency distribution.

$\begin{array} { c c } \hline \text { Class } & \text { Frequency } \\\hline 0 - 19 & 10 \\20 - 39 & 18 \\40 - 59 & 10 \\60 - 79 & 8 \\80 - 99 & 13 \\\hline\end{array}$

• A) 798.2
• B) 28.3
• C) 28.5
• D) 811.9

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Definitions:

Thyroid Hormone

Hormones produced by the thyroid gland, primarily thyroxine (T4) and triiodothyronine (T3), crucial in regulating metabolism, energy generation, and child growth.

Hypothalamus

A region of the brain below the thalamus that coordinates both the autonomic nervous system and the activity of the pituitary, controlling body temperature, thirst, hunger, and other homeostatic systems.

Anterior Pituitary

The front part of the pituitary gland that secretes hormones responsible for regulating a wide range of bodily functions, including growth, reproduction, and metabolism.

Uterine Contractions

Involuntary muscular contractions of the uterus, important in menstrual flow, labor, and delivery of a fetus.