[WP34S] ChiSquare Distribution

01122014, 05:57 PM
Post: #8




RE: [WP34S] ChiSquare Distribution
(01122014 03:13 PM)Sanjeev Visvanatha Wrote:(01112014 03:02 PM)walter b Wrote: 5.4068 is correct for 0.1%, while 43.8202 is correct for 99.9% Integrating form zero to p, the value returned must increase for growing p (see pp. 54f of the manual quoted). The HP21S calculates with the error probability instead. I replaced it by "... χ²INV corresponds to χ²p in the HP21S ..." and put an extra footnote on p. 55 stating: The HP21S returns Q instead of P. Thus, also the inverse works differently there. Also modified the respective IOP entries for F, t, and Φ this afternoon. Thank you for your head up. Anyway, however, those modifications will show up no earlier than with the second (revised) edition of the printed manual. Please be patient. d:) 

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