Solve the problem.Find the range and the standard deviation of the following voltages (in volts) of a sample of watch batteries: 1.212, 1.199, 1.201, 1.202, 1.199, 1.198.
A. Range = 0.014 V; standard deviation = 0.0040 V
B. Range = 0.013 V; standard deviation = 0.0039 V
C. Range = 0.013 V; standard deviation = 0.0040 V
D. Range = 0.014 V; standard deviation = 0.0052 V
Answer: D
Mathematics
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Simplify.-(a-3)-6
A. a18
B. -a18
C. 
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Provide an appropriate response.In an ordered pair of a relation, is the first element the independent variable or dependent variable?
A. independent variable B. dependent variable
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Multiply and simplify.One-fifth of two-fifths
A. 
B. 
C. 
D. 
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