True?
Probability
Level
1
It is possible to have a standard deviation of −3 for some data set.
True; A negative value only means that the data are generally less than the mean.
True; by definition, the only value the standard deviation cannot be is zero.
False;the standard deviation is equal to the variance squared & squared values cannot be negative.
False;since the standard deviation is a average & computed from a square root,it cannot be negative.
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1 solution
This statement is false. The standard deviation is thought of as an average distance and is computed from a square root. As a result, it cannot be negative.