Approximate the Sample Standard Deviation Given the Following Frequency Distribution

question 56

Multiple Choice

Approximate the sample standard deviation given the following frequency distribution.
$\begin{array} { c c } \hline \text { Class } & \text { Frequency } \\\hline 0 - 19 & 10 \\20 - 39 & 18 \\40 - 59 & 17 \\60 - 79 & 15 \\80 - 99 & 10 \\\hline\end{array}$

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Definitions:

Perseveration

The repetitive and continuous focus on a single idea, task, or word beyond the point of relevance, often seen in neurological and psychiatric conditions.

Residential Care

A type of living arrangement where individuals receive accommodation and personal care services, typically for the elderly or disabled.

Tactile Hallucinations

Sensory perceptions of touch or movement on the body with no physical cause, often associated with certain mental health conditions.