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Fact about standard deviation s Which statement about the standard deviation s is false? (a) s can never be negative. (b) s can never be
Fact about standard deviation s
Which statement about the standard deviation s is false?
(a) s can never be negative.
(b) s can never be zero.
(c) For bell-shaped distributions, about 95% of the data fall within mean +/- 2s.
(d) s is a nonresistant (sensitive to outliers) measure of variability, as is the range
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