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

question 55

Multiple Choice

A company had 80 employees whose salaries are summarized in the frequency distribution below. Find the standard deviation. $\begin{array}{r|c}\text { Salary (dollars) } & \text { Employees } \\\hline 5,001-10,000 & 19 \\10,001-15,000 & 14 \\15,001-20,000 & 12 \\20,001-25,000 & 16 \\25,001-30,000 & 19\end{array}$

• A) \(\$ 7967.5\)
• B) \(\$ 7588.1\)
• C) \(\$ 8195.1\)
• D) \(\$ 8422.8\)

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Definitions:

Sphincter

A ring-like muscle that controls the passage of substances through an opening in the body, such as the anus or esophagus.

Peristalsis

The series of wave-like muscle contractions that moves food through the digestive tract.

Latissimus Dorsi

The large muscle of the back.

Pectoralis Major

A large muscle in the front of the chest that attaches to the shoulder and sternum, involved in movements of the shoulder and arm.