![Koj puas tuaj yeem siv ntawm qhov ntsuas rau qhov sib piv? Koj puas tuaj yeem siv ntawm qhov ntsuas rau qhov sib piv?](https://i.answers-medical.com/preview/medical-health/14173119-can-you-use-at-test-for-proportions-j.webp)
Video: Koj puas tuaj yeem siv ntawm qhov ntsuas rau qhov sib piv?
![Video: Koj puas tuaj yeem siv ntawm qhov ntsuas rau qhov sib piv? Video: Koj puas tuaj yeem siv ntawm qhov ntsuas rau qhov sib piv?](https://i.ytimg.com/vi/gficGZ-d5QI/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Yog vim li cas t tsis tsim nyog rau feem , los yog es, yog vim li cas nws tsim nyog rau lub ntsiab lus ntawm ib txwm faib, yog hais tias lub ntsiab lus thiab variance yog ywj siab nyob rau hauv lub xeem rooj plaub, tab sis tsis rau feem . Rau ib kev faib ua feem , qhov sib txawv yog p (1-p)/n.
Ua li no, dab tsi yog qhov ntsuas ntawm qhov sib piv?
A xeem ntawm kev faib ua feem yuav ntsuas seb puas los yog tsis yog ib qho piv txwv los ntawm cov pej xeem sawv cev rau qhov tseeb kev faib ua feem los ntawm tag nrho cov pejxeem.
dab tsi yog cov xwm txheej uas yuav tsum tau tshuaj xyuas thaum ua qhov ntsuas ntawm qhov sib piv? Cov xwm txheej peb xav tau rau kev xam pom ntawm ib feem yog:
- Random: Cov ntaub ntawv yuav tsum tau los ntawm tus qauv random lossis randomized sim.
- Ib txwm: Qhov piv txwv ntawm p^? P, nrog, lub kaus mom, sab saum toj yuav tsum yog kwv yees li ib txwm - xav tau tsawg kawg 10 qhov kev cia siab ua tiav thiab 10 qhov kev cia siab ua tsis tiav.
Raws li, qhov kev xeem twg tuaj yeem siv los ntsuas qhov zoo ntawm ob feem?
A ob proportions z- xeem tso cai rau koj los sib piv ob feem saib seb lawv puas zoo ib yam. Lub tswv yim null (H0) rau xeem yog lub feem yog tib yam.
Qhov null ratio yog dab tsi?
Cov tsis muaj hypothesis yog hypothesis tias tus kev faib ua feem sib npaug tus nqi tshwj xeeb, p0. Lwm txoj kev xav yog kev sib tw thov uas qhov ntsuas qis dua, ntau dua, lossis tsis sib npaug rau p0.
Pom zoo:
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Qhov kev ntsuas no siv cov khoom paub ntawm lub ntiajteb txawj nqus los txiav txim siab tias tus neeg yuav siv sijhawm ntev npaum li cas los teb rau qhov poob ntawm ib yam khoom los ntawm kev ntsuas deb npaum li cas cov khoom tuaj yeem ntog ua ntej raug ntes
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Cov lus xaus Sonic scalers tau pom tias tsis tsim EMI thiab muaj kev nyab xeeb siv rau cov neeg mob haum nrog lub tshuab ua kom nrawm. Lwm yam ultrasonic scalers thiab chav da dej ultrasonic ua EMI thiab yuav ua rau muaj kev pheej hmoo rau cov neeg mob ntawd. Cov lus qhia meej yog xav tau rau cov kws kho hniav kom ua raws li
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Hmoov zoo, koj tuaj yeem siv lub ntsuas kub ntawm cov nqaij los xyuas koj lub cev kub. Nws tsis yog qhov tseeb raws li lub ntsuas cua qhov ncauj, tab sis nws tuaj yeem pab koj taug qab koj lub cev kub li cas
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Instrumental conditioning feem ntau yog siv rau hauv kev cob qhia tsiaj thiab. Piv txwv li, kev cob qhia tus dev kom tuav tes yuav koom nrog muab khoom plig txhua lub sijhawm uas xav tau tshwm sim
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Cov qhab nias thiab txhais lus CAS muaj 21 yam khoom nrog 4 qhov kev xaiv txhua tus (uas tau qhab nia 0,1,2,3). CAS tus qhab nia tsuas yog qhov sib npaug ntawm cov qhab nia khoom. Yog li, cov qhab nia ntawm CAS tuaj yeem nyob ntawm 0 txog 63. Qhov qhab nia siab dua txhais tau tias tus neeg koom nrog muaj cov tsos mob npau taws ntau dua