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Quantitative Usability, Statistics & Six Sigma by Jeff Sauro



April 30, 2008 | asked by Kathleen :

Question : In a 0ne-tail test (l side) with z score of 1.645, what are the percentages for critical value and non-critical value?

Answer : The percentages for the area in the curve above 1.645 standard deviations is approx 5%, leaving the area below 1.645 at 95%. You can find this by using the z-score to percentile calculator.
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Tag Name # Vote
Critical Value3
One-Tailed Area3
Z-Score3

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