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 A219337 Rounded frequency of population with score higher than mean +- n standard deviations. 1
 2, 6, 44, 741, 31574, 3488556, 1013594692, 781364430891, 1607468795310696, 8860626201053673385, 131236127104980388766388, 5233794723805693339116465076, 562910255724699183203714725974687, 163474435977817298005300626019111283694 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 LINKS Table of n, a(n) for n=0..13. Wikipedia, 68-95-99.7 rule EXAMPLE For example, 1 in 2 people have IQ greater than 100, about 1 in 6 people have IQ greater than 115, about 1 in 44 have IQ greater than 130, etc. (assuming normal IQ distribution with mean of 100 and standard deviation of 15) MATHEMATICA Table[Round[2/(1 - Erf[n/Sqrt[2]])], {n, 0, 15}] (* T. D. Noe, Dec 10 2012 *) PROG (MATLAB) round(2/(1-erf(n/sqrt(2)))) (PARI) a(n)=round(2/erfc(n/sqrt(2))) \\ Charles R Greathouse IV, Dec 10 2012 CROSSREFS Cf. A178647. Sequence in context: A332074 A171690 A259763 * A259482 A332757 A255015 Adjacent sequences: A219334 A219335 A219336 * A219338 A219339 A219340 KEYWORD nonn,easy AUTHOR Joost de Winter, Nov 18 2012 EXTENSIONS Extended by T. D. Noe, Dec 10 2012 STATUS approved

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Last modified September 25 05:35 EDT 2023. Contains 365582 sequences. (Running on oeis4.)