Vim li cas thiaj li tseem ceeb hauv kev txheeb cais?

Cov txheej txheem:

Vim li cas thiaj li tseem ceeb hauv kev txheeb cais?
Vim li cas thiaj li tseem ceeb hauv kev txheeb cais?

Video: Vim li cas thiaj li tseem ceeb hauv kev txheeb cais?

Video: Vim li cas thiaj li tseem ceeb hauv kev txheeb cais?
Video: Koj saib kuv tsis muaj nqis - Nkauj tawm tshiab 2021-22 2024, Hlis ntuj nqeg
Anonim

Thaum cov kev xeem txheeb cais tawm ntawm qhov tseem ceeb uas tantalizingly ze kom ncav cuag qhov tseem ceeb, ntau tus tsuas yog pab tsis tau lawv tus kheej. … Yog tias tus nqi p-nqi ntau dua me ntsis ntau dua 0.05, lawv feem ntau tshaj tawm qhov tshwm sim raws li "qhov tseem ceeb", txhais tau hais tias tseem tuaj yeem muaj qee yam kev cuam tshuam tiag tiag.

Thaum tus nqi kos npe poob ntawm.05 thiab.10 koj tuaj yeem hu nws qhov tseem ceeb?

Zuag qhia tag nrho, cov kws tshawb nrhiav pom cov txiaj ntsig tau piav qhia raws li " qhov tseem ceeb"ua tau zoo heev, qhia txog 40% ntawm tag nrho cov p-values hauv cov qauv uas poob ntawm. 05i ib. 10.

Qhov tseem ceeb qhia koj li cas hauv kev txheeb cais?

Dab tsi yog qhov tseem ceeb ntawm kev txheeb cais? "Qhov tseem ceeb ntawm tus lej pab txheeb xyuas seb qhov txiaj ntsig zoo li cas vim muaj caij nyoog lossis qee qhov kev txaus siab," hais Redman. Thaum qhov kev tshawb pom tseem ceeb, nws tsuas txhais tau tias koj tuaj yeem ntseeg tau tias nws yog tiag tiag, tsis yog tias koj nyuam qhuav muaj hmoo (lossis tsis muaj hmoo) hauv kev xaiv tus qauv.

Kev tshawb nrhiav tseem ceeb txhais li cas?

Qhov no txhais tau hais tias qhov "tseem ceeb" nrhiav yog ib qho uas nws zoo li qhov kev tshawb pom yog qhov tseeb, txhim khu kev qha, thiab tsis yog vim muaj caij nyoogLos ntsuas seb qhov kev tshawb pom puas yog txheeb cais Qhov tseem ceeb, cov kws tshawb fawb koom nrog cov txheej txheem hu ua null hypothesis qhov tseem ceeb kuaj.

Is.049 tus lej tseem ceeb?

Tab sis P qhov tseem ceeb ntawm 0.051 thiab 0.049 yuav tsum tau txhais zoo ib yam txawm tias qhov tseeb tias 0.051 ntau dua 0.05 thiab yog li tsis "tseem ceeb" thiab tias 0.049 tsawg dua 0.05 thiab yog li "tseem ceeb." Qhia qhov tseeb P qhov tseem ceeb zam qhov teeb meem ntawm kev txhais.

Pom zoo: