A z-score or 1.0 corresponds to a value one standard deviation from the mean true or false

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asked Jan 7, 2018 228k views

1 Answer

Testalino · Answer 1 · 2018-01-12T15:01:12+0000

That's correct!

Perhaps you know the Empirical Rule:
68% of data lies within 1 std of the mean, corresponding to -1
$\leq$ z
$\leq$ 1

95% of data lies wtihin 2std dev of the mean, and
99.9% of data lies within 3 std dev of the mean.

A z-score or 1.0 corresponds to a value one standard deviation from the mean true or false

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