Question 81:
Asked on February 10, 2008
1
Answer:
No answer provided yet.Use the
Percentile to Z calculator and enter .90 (90 percent). The other piece of information you need is whether it is a one or two-side z-score. When in doubt, use 2 sided, as the link above does. See the
Interactive Graph of the Standard Normal Curve for a visual representation of the difference between one and two-sided z-scores.