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A normal distribution has a mean of 75 and a standard deviation of 15.

Determine the z-score for the data value of 85.

User BuffK
by
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1 Answer

7 votes

0.67

1) Given that we've got the following data:


\mu=75,\sigma=15,X=85

We can plug them all together into the Z score formula:


Z=(X-\mu)/(\sigma)=(85-75)/(15)=(10)/(15)\approx0.67

Thus, the Z-score is 0.67

User Epigene
by
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