Daim ntawv C yog siv rau dab tsi?
Daim ntawv C yog siv rau dab tsi?

Video: Daim ntawv C yog siv rau dab tsi?

Video: Daim ntawv C yog siv rau dab tsi?
Video: Xwm Kab Yog Dab Tsi?: Hmoob Nkag Siab Yuam Kev Tag Lawm 2024, Kaum ib hlis
Anonim

A c - daim duab yog tus cwj pwm tswj daim ntawv siv nrog cov ntaub ntawv sau nyob rau hauv subgroups uas yog tib yam loj. C - kab kos qhia li cas cov txheej txheem, ntsuas los ntawm tus naj npawb ntawm qhov tsis sib xws ntawm ib yam khoom lossis pawg ntawm cov khoom, hloov pauv raws sijhawm. Nonconformities yog qhov tsis xws luag los yog tshwm sim nyob rau hauv cov qauv subgroup.

Raws li txoj cai, vim li cas peb thiaj siv C kab kos?

c kab kos yog siv los saib variation nyob rau hauv suav hom attributes cov ntaub ntawv. Lawv yog siv los txiav txim qhov txawv ntawm tus naj npawb ntawm qhov tsis xws luag nyob rau hauv ib pab pawg neeg loj tas li. Subgroup loj feem ntau yog hais txog thaj chaw uas raug tshuaj xyuas. Piv txwv li, ib tug c daim duab tuaj yeem siv los saib xyuas tus naj npawb ntawm kev raug mob hauv cov nroj tsuag.

Ib yam li ntawd, P daim duab siv rau dab tsi? Nyob rau hauv statistical zoo tswj, lub p - daim duab yog hom tswj daim ntawv siv rau saib xyuas qhov kev faib ua feem ntawm cov chav nyob tsis sib xws hauv cov qauv, qhov twg cov qauv kev faib ua feem tsis sib haum yog txhais raws li qhov piv ntawm tus lej ntawm cov chav tsis sib haum rau cov qauv loj, n.

Ntxiv mus, qhov sib txawv ntawm C daim duab thiab U daim ntawv yog dab tsi?

Lub ntsiab qhov sib txawv ntawm U thiab C kab kos yog qhov ntsuas ntsug. Ua charts qhia tus naj npawb ntawm qhov tsis sib xws hauv ib chav nyob ntawm y-axis. C kab kos qhia tus naj npawb ntawm qhov tsis sib xws ntawm ib qho qauv, uas tuaj yeem suav nrog ntau dua ib chav nyob ntawm y-axis.

P daim duab thiab C daim duab yog dab tsi?

p - thiab c - Daim duab . Txhawm rau saib xyuas kev faib ua feem ntawm cov txheej txheem, xws li kev faib ua feem ntawm cov khoom tsis raug hauv cov kab ntau lawm, peb tuaj yeem siv ob qho tib si p - kab kos los yog c - kab kos . p - kab kos tso saib ib feem ntawm qhov tshwm sim ntawm tus txheej txheem uas tsis ua, lossis ua raws qee cov cai.

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