Find the Standard Deviation for the Given Sample Data $\begin{array} { l l l l l l l l l } 18 & 18 & 18 & 9 & 15 & 5 & 10 & 5 & 15\end{array}$

question 1

Multiple Choice

Find the standard deviation for the given sample data. Round your answer to one more decimal place than the original data. $\begin{array} { l l l l l l l l l } 18 & 18 & 18 & 9 & 15 & 5 & 10 & 5 & 15\end{array}$

• A) 5.1
• B) 5.4
• C) 1.6
• D) 5.8

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Definitions:

Interest Expense

The cost incurred by an entity for borrowed funds, reflecting the interest payments due on any form of debt.

Tax Expense

The amount of money that a company owes in taxes based on its net income, adhering to the tax laws of the jurisdictions in which it operates.

Gross Margin

The difference between sales revenue and the cost of goods sold, expressed as a percentage of sales revenue, indicating the financial health of a company's core activities.

Net Operating Income

The total profit of a company after operating expenses but before deducting interest and taxes.