Mark M. answered • 04/11/18

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Mathematics Teacher - NCLB Highly Qualified

z = (x - μ) / σ memorize!

z = (105 - 102) 2.9

Can you claculate?

Philip P.

No, it's (105-102)/2.9. z-scores range between -3.5 and +3.5, so you'll never get an 8.7.

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04/11/18

Lovely S.

04/11/18