Approximate the Variance and Standard Deviation of a Variable from Grouped

question 50

Multiple Choice

Approximate the Variance and Standard Deviation of a Variable from Grouped Data
-For the following data set, approximate the sample standard deviation of distances from work (in miles) . $\begin{array}{c|c}\text { Distance(miles) } & \text { Frequency } \\\hline 8-11 & 15 \\12-15 & 21 \\16-19 & 36 \\20-23 & 39 \\24-27 & 23\end{array}$

• A) \(4.9\) miles
• B) \(24.5\) miles
• C) \(5.2\) miles
• D) \(24.3\) miles

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Definitions:

Canadian Adult Population

Individuals aged 18 and over living in Canada, considered for purposes of demographics, policy making, and economic analysis.

Gerontocracy

Gerontocracy refers to a form of oligarchical rule in which an entity is ruled by leaders who are significantly older than most of the adult population.

Prestige

The level of respect, admiration, or esteem that a person, group, or occupation holds in society, often associated with social status.

Society Ruled

A societal structure where decision-making is governed by a specific group or class.