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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(1780)
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nI ihoytpshes t,inestg teh laahp vluae is hte ibobalptyir of imkgna a Tpye I rre.ro sThi si het ypet of erorr enoedtnmi ni the s.ontquie

  • eTyp I eorrr - yuo dnif a fienfceedr newh a freefncdei de'ntos rlelay sx.eti
    • nOe yaw of rrmgieenemb hist si atth itsh is hwat tstsienisc "na"wt ot kmae: thye wnta ot nidf a icsanntgifi fenidecefr ni hiret adt,a sthu ti is eht i"fstr m"sktaie deht'y m.kea
    • paAhl si het rbtlbyaoipi uoy aer lnlgiwi to tcpcea that you ducol ahev emda a ypte I reror (.ie. an pahla aulve fo 0.05 nasme eetrh si a 5% ibpayrlbtoi ouy oucdl kema a type I erorr adn tcreje eth luln yphhiotess enhw ouy dushlo to)n

  • ypTe II erorr - uyo od tno idnf a ficeenrdef nhew uyo osdlhu evha sbaueec a teur endeecffri lyreal sxeits
    • etaB is eht piibrotlyab ttah uoy aemk a etpy II rreor
    • oPrew is uqela ot 1( - tb)ea
    • Perow anc eb reiscnead by isagceirnn aplems is,ze nad uths wiht a garrle lpesma you vhea a elowr rpiayolbtib of akngmi a peTy II orerr
    • Power nca alos be eraednisc yb ecsriinnga ptcdxeee eecftf szei or nsanicierg esoi.rncip tI si ntnriegseti to tneo uacccyra ash no efetcf no .werpo

0AF220 632p

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cheesetouch  A028F1 p258 +

  • 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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