Find the standard deviation for each data set. Round to one more place than the data.5, 4, 6, 20, 5, 13, 12, 17, 14
A. 1.3
B. 5.9
C. 5.5
D. 6.3
Answer: B
Mathematics
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Solve.A report showed that the net profit of a business for one month was $27,753. This was a decrease of 13% from the previous month. What was the previous month's profit?
A. $23,606 B. $31,900 C. $88,532.07 D. $36,047
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Solve the equation.x2 + 6x - 55 = 0
A. 11, -5 B. 11, 5 C. -11, 1 D. -11, 5
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Use the table to construct a circle graph.A group of 1000 students were surveyed to determine their favorite sport. The results are given in the table below.
What will be an ideal response?
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Solve the inequality. Express your answer using interval notation.16 ? 
x + 9 < 30
A. [4, 12)
B. [4, 5)
C. (4, 5]
D. (4, 12]
Mathematics