Imagine a data set with 10 observations. If each observation increases by 10 (i.e., add 10 to each data point) , which of the following will happen to the standard deviation?
A) The amount of variability stays the same. So the standard deviation will be the same value.
B) The variability stays the same. But because the value of each data point is larger, the standard deviation will also increase by 10.
C) The standard deviation will increase, but it not in a systematic way that can be described.
D) The standard deviation will be 10 times the original value.
Correct Answer:
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