Find the standard deviation s for the given data. Round your answer to one more decimal place than the original data.A company had 80 employees whose salaries are summarized in the frequency distribution below. Find the standard deviation. 
A. 7,673.1
B. 7,892.3
C. 8,111.5
D. 7,307.7
Answer: D
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Solve the problem.The Mathematics Department is holding an election for department chair. Each member ranks the candidates from first to third. The voter profile below shows the results of the ballots with candidates Clark (C), Jones (J), and Smith (S). 
Determine the winner using the Borda count method and state whether the winner received a majority of votes.
A. Jones; no B. Smith; no C. Smith; yes D. Jones; yes
Sketch the graph of the line with the given equation.-4y = x - 2
A. 
B. 
C. 
D. 
Solve the proportion two different ways. First in decimal form, then in fraction form. Write your answer in lowest terms.
= 
A. x = 0.014 or x = 
B. x = 1.4 or x = 1
C. x = 2.8 or x = 2
D. x = 0.007 or x = 
Solve the problem.The Family Fine Arts Center charges $20 per adult and $11 per senior citizen for its performances. On a recent weekend evening when 514 people paid admission, the total receipts were $7175. How many who paid were senior citizens?
A. 345 senior citizens B. 259 senior citizens C. 169 senior citizens D. 255 senior citizens