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zarkam21:
Help on this please with an explanation
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zarkam21:
@Vocaloid
Vocaloid:
general formula for z-score of a particular value z-score = (that value - mean)/standard deviation
Vocaloid:
(127-mean)/sd = ?
zarkam21:
-2.3
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Vocaloid:
good the question says two decimal places so it would be -2.30
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