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aivan3 [116]
2 years ago
15

A score that is 12 points below the mean corresponds to a z-score of z = -3.00. What is the population standard deviation?

Mathematics
1 answer:
vladimir1956 [14]2 years ago
4 0
Standard deviation=4.

let the mean be 12 and the score be 0 (therefore 12 point difference.)

0-12/s=-3 (s being standard deviation)
-12/4 = -3
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