From the Following Grouped Data, Find the Sample Standard Deviation

question 80

Multiple Choice

From the following grouped data, find the sample standard deviation. $$\begin{array} { | l | l | l | l | } \hline \text { Interval } & \text { Midpoint } x & \text { Frequency } f & \text { Product } x f \\\hline 41.5 - 48.5 & & 10 & \\\hline 48.5 - 55.5 & & 16 & \\\hline 55.5 - 62.5 & & 18 & \\\hline 62.5 - 69.5 & & 25 & \\\hline 69.5 - 76.5 & & 4 & \\\hline 76.5 - 83.5 & & 1 & \\\hline\end{array}$$ Round your answer to the nearest whole number.

• A) 5
• B) 17
• C) 8
• D) 11
• E) 7

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Definitions:

Quality Evaluation

The process of assessing the quality of products, services, processes, or performance through set criteria and standards.

Partner Proficiency

The level of skill and competence a partner or team member possesses in contributing towards collective goals or tasks.

Production Blocking

A phenomenon in group settings where the process of waiting for others to contribute ideas can inhibit individual creativity and the generation of ideas.

Performers

Individuals or groups who execute tasks, often in a context that requires skill, such as on a stage or in a competitive environment.