Solve the problem.Suppose that every element in the data set {x1, x2, x3, ..., xN} is positive and increases in value by 10%. Which of the following is not true?
A. The mean of the data set increases by 10%.
B. The standard deviation of the data set increases by 10%.
C. The median of the data set increases by 10%.
D. The range of the data set increases by 10%.
E. all of these are true.
Answer: E
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Find the property tax. Round to the nearest cent.
A. $7322.58 B. $732.26 C. $2814.80 D. $281.48
Write the mixed number as an improper fraction.
?
?
A. 
B. 
C. 
D. 
E. 
Perform the indicated operation and simplify.
÷ 
A. 
B. 
C. 
D. 
Solve.The voltage across a resistor is jointly proportional to the resistance of the resistor and the current flowing through the resistor. If the voltage across a resistor is 
for a resistor whose resistance is 
and when the current flowing through the resistor is 
find the voltage across a resistor whose resistance is 
and when the current flowing
through the resistor is 
A. 8 volts
B. 6 volts
C. 10 volts
D. 12 volts