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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 pyihetssho itgnt,se het halap evlua is hte arbioilytpb of giknam a pyeT I .reror sihT is eht yetp of rreor etiomendn in hte nqsoe.tiu

  • eyTp I rroer - you dfin a cfneediref enhw a dcieeeffrn do'esnt ryella txie.s
    • eOn way of rngeimreemb sthi si ttha hist si waht snessttiic at"nw" ot em:ak they wtan to fdin a tiicgsnfnia defifrneec ni ihtre a,tad stuh ti is hte "stfir temiask" edhyt' .kmea
    • ahAlp is the otiplbibayr uyo are gilniwl to pacect ttah uyo uodcl veah amde a ypet I erorr e..(i an phala avuel fo 050. msnea eethr is a 5% iirbapbloty you lcodu mkae a epyt I reror dna cterje eth unll stesihhpyo hewn you dulsoh t)on

  • pyTe II orerr - uyo do ont dnif a nfceirfeed enwh oyu slduho vahe cbaeseu a uert efedcrfnie yellar exisst
    • aetB si teh rlaioiybbpt thta uyo kmea a eytp II roerr
    • ePrwo si aulqe to 1( - atbe)
    • eorPw nac be cenadiesr by innacsierg selpam ,seiz nda usht twhi a galrer melasp uyo avhe a relwo blbiypoaitr fo mgkain a yTep II rrroe
    • owPre nac laos be cisdreean yb inisrcaeng ecteexpd etfecf esiz or egisnirnac eirnoc.ips tI si iingeetrnts ot neto ayuccrca sha no eefftc no wpe.ro

220F0A p632

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cheesetouch  8A2F01 p528 +

  • 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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