A Company Had 80 Employees Whose Salaries Are Summarized in the Frequency

question 172

Multiple Choice

A company had 80 employees whose salaries are summarized in the frequency distribution below. Find the standard deviation. $\begin{array}{c|c}\text { Salary } & \text { Employees } \\\hline 5,000 \text {-under } 10,000 & 10 \\10,000 \text {-under } 15,000 & 17 \\15,000 \text {-under } 20,000 & 10 \\20,000 \text {-under } 25,000 & 19 \\25,000 \text {-under } 30,000 & 24\end{array}$

• A)\(7702.9\)
• B) \(7916.9\)
• C) \(7132.3\)
• D) \(7489.0\)

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