Critical z's

Critical z's - 0.999 0.001 0.05% = 0.0005 3.290 * Also,...

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Critical z Values Two-Tail Confidence Level Probability Significance Level Upper Tail Area (1 - α ) x 100% 1 α α /2 * z α /2 ** 80% 0.80 0.20 10% = 0.10 1.282 90% 0.90 0.10 5% = 0.05 1.645 95% 0.95 0.05 2.5% = 0.025 1.960 97% 0.97 0.03 1.5% = 0.015 2.170 98% 0.98 0.02 1% = 0.010 2.326 99% 0.99 0.01 0.5% = 0.005 2.576 99.9%
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Unformatted text preview: 0.999 0.001 0.05% = 0.0005 3.290 * Also, significance level α for one-tail significance test. ** Also, z for a one-tail significance test at the α significance level. © 1999 by Harvey A. Singer...
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This note was uploaded on 01/26/2011 for the course OM 210 taught by Professor Singer during the Fall '08 term at George Mason.

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