Skip to main content

Advertisement

Springer Nature is making Coronavirus research free. View research | View latest news | Sign up for updates

Table 3 Computed probability values and their accuracy

From: Computing and graphing probability values of pearson distributions: a SAS/IML macro

   Percentage Point from Pearson and Hartley (1972)Probability Value from SAS/IML MacroAbsolute Differenceb
Typeaβ1β2For 2.5%For 97.5%2.5%97.5%For 2.5%For 97.5%
Normal.03.0-1.96001.9600.0249970.9750020<.00001<.00001
I.63.2-1.59982.2320.0249965.9749989<.00001<.00001
II.02.6-1.91961.9196.0250030.9749970<.00001<.00001
IV1.48.6-1.50682.3801.0249838.9749471.00002.00005
VI2.011.2-1.19152.5545.0250054.9750021.00001<.00001
VII.08.4-1.99251.9925.0249999.9750001<.00001<.00001
  1. aPearson and Hartley (1972) does not have examples of types III and V
  2. bAbsolute Difference = |.025 − Probability value from SAS/IML macro |; and = |.975 − Probability value from SAS/IML macro |, respectively