If you add the same amount to each piece of data in a data set, what happens to the value of the mean, range, and standard deviation of the set?
A. The mean becomes bigger by this amount.
The range becomes bigger by this amount.
The standard deviation remains the same.
B. The mean becomes bigger by this amount.
The range remains the same.
The standard deviation remains the same.
C. The mean becomes less by this amount.
The range remains the same.
The standard deviation remains the same.
D. The mean remains the same.
The range remains the same.
The standard deviation becomes bigger by this amount.
E. The mean becomes bigger by this amount.
The range remains the same.
The standard deviation becomes bigger by this amount.
Answer: B
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