Approximate the Sample Standard Deviation Given the Following Frequency Distribution

question 56

Multiple Choice

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

Know the importance of ease of doing business with a company from the customer's perspective.

Grasp the measures and metrics used to assess customer service effectiveness.

Understand how companies leverage web-based technologies and metrics to enhance customer satisfaction and service.

Understand the principles of customer orientation and how it drives company strategies.

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Definitions:

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A condition characterized by the force of the blood against the artery walls being too high, often leading to health problems like heart disease.

Medication

Drugs or substances used in the treatment, cure, prevention, or diagnosis of disease or used to enhance physical or mental well-being.

Behavioral Medicine

An interdisciplinary field that integrates behavioral, psychosocial, and biomedical knowledge to prevent, diagnose, and treat various medical conditions.

Psychophysiological Disorder

Conditions where psychological factors significantly affect physiological functioning, leading to physical symptoms.