Inferential tsom xam yog dab tsi?
Inferential tsom xam yog dab tsi?

Video: Inferential tsom xam yog dab tsi?

Video: Inferential tsom xam yog dab tsi?
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Anonim

Inferential tsom xam yog ib qho kev sau los ntawm kev kwv yees seb cov pej xeem cov yam ntxwv (tsis suav) yuav yog, muab qhov paub txog tus qauv tus yam ntxwv (kev txheeb cais), lossis tsim kom muaj cov qauv lossis kev sib raug zoo, ob qho tib si kev koom tes thiab kev cuam tshuam, lossis qhov sib txawv ntawm pawg lossis

Ib yam li ntawd, dab tsi yog txhais los ntawm kev txheeb cais?

Inferential txheeb cais ua inferences txog pejxeem siv cov ntaub ntawv kos los ntawm cov pejxeem. Es tsis txhob siv tag nrho cov pej xeem los sau cov ntaub ntawv, tus neeg txheeb cais yuav sau cov qauv lossis cov qauv los ntawm ntau lab tus neeg nyob hauv thiab ua kev suav txog tag nrho cov pej xeem siv cov qauv.

Ib yam li ntawd, lub hom phiaj tseem ceeb ntawm inferential txheeb cais yog dab tsi? Cov lub hom phiaj ntawm inferential statistics yog txiav txim siab seb qhov kev tshawb pom los ntawm cov qauv tuaj yeem ua kom dav dav - lossis siv tau - rau tag nrho cov pejxeem. Yuav muaj qhov sib txawv ntawm cov qhab nia ntawm pawg hauv kev tshawb fawb tshawb fawb.

Qhov thib ob, qhov piv txwv ntawm inferential txheeb cais yog dab tsi?

Nrog inferential txheeb cais , koj muab cov ntaub ntawv los ntawm cov qauv thiab ua generalizations txog cov pejxeem. Rau piv txwv , tej zaum koj yuav sawv hauv lub khw thiab nug ib qauv ntawm 100 tus neeg yog tias lawv nyiam yuav khoom ntawm Sears.

Puas yog Chi square piav qhia lossis inferential?

Chiv - Square yog ib qho ntawm inferential kev txheeb cais uas yog siv los tsim thiab txheeb xyuas qhov sib cuam tshuam ntawm ob lossis ntau qhov sib txawv. Nws ua haujlwm zoo rau cov categorical lossis nominal variables tab sis tuaj yeem suav nrog cov kev hloov pauv hloov tau.

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