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Retired NBME 15 Answers

nbme15/Block 3/Question#48 (reveal difficulty score)
A paper says, "We chose the sample size to ...
5%, Type I error ๐Ÿ” / ๐Ÿ“บ / ๐ŸŒณ / ๐Ÿ“–
tags: biostats repeat

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submitted by โˆ—cassdawg(1781)
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In osphyeshit ,geitnst het aaphl veula si teh rtoaibyblip fo ikgmna a eTpy I rrr.oe siTh si het tpye of rorer emnidotne in eth uqsio.ent

  • Tpey I oerrr - oyu find a firnefcdee nweh a fedecrenif seo'dnt elryal ti.xse
    • One wya of meebimrnegr thsi is atth stih si htwa cssttisine n"wt"a ot :meka eyth natw to fnid a nicifaigtns fenfedecri ni etrih atad, suht ti is het ftris" kasi"emt dyth'e k.eam
    • lpAah si het oiilyabtrbp you rea winllgi to atcecp taht oyu cudlo aehv mdea a ypet I rerro e.i.( an laahp vauel fo 005. samen erhte si a 5% rpliiybtbao ouy uodlc eakm a etyp I orrre dan ctreej hte llnu ihtsyehpos hwen uoy slhdou n)ot

  • Tpye II eorrr - uoy do ton fdni a eedecnrffi ehnw uoy lhusod ahve esucbae a true fideefencr yarlle stiesx
    • Beta is hte rtaibbioply htta ouy aekm a teyp II orerr
    • ePrwo si eqlau ot 1( - et)ba
    • erowP anc eb rciesaned by ceirnsaing smplea sie,z and uths wtih a legarr emapsl uyo aveh a wlore iotbiypbarl fo mingka a peyT II rrreo
    • wroPe nca olsa eb eraceisnd yb nesacgiirn peetcexd tceffe size or cainrnegsi iis.ceropn tI si egserinnitt to tnoe acuyccar sha no cffete on ew.por

F02A20 263p

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cheesetouch  20A8F1 25p8 +

  • The P value is the probability that a type 1 error has been committed, and the null hypothesis has been erroneously rejected.

  • A P value of 0.05 or less is considered statistically significant.



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