Approximate the Variance and Standard Deviation of a Variable from Grouped

question 49

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 unused vacation days . $\begin{array}{c|c}\text { Days } & \text { Frequency } \\\hline 1-2 & 9 \\3-4 & 22 \\5-6 & 28 \\7-8 & 15 \\9-10 & 14\end{array}$

• A) \(2.4\) days
• B) \(5.5\) days
• C) \(3.5\) days
• D) \(5.9\) days

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Definitions:

Administrative Costs

Expenses related to the general operation of a business that are not directly tied to a specific project or product.

Maintenance Department

A division within an organization responsible for the upkeep, repair, and smooth running of equipment and facilities.

Floor Space

The total area available for use within a building, often measured in square feet or square meters, important for planning and utilization.

Maintenance Expenses

Costs incurred in the upkeep of property or equipment to ensure its continued functionality and efficiency.