Cov txheej txheem:
Video: Cov ntsiab lus tseem ceeb ntawm kev txheeb cais yog dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Terminology siv nyob rau hauv Statistics
- Plaub loj nqe lus hauv txheeb cais yog pejxeem, piv txwv, parameter, thiab txheeb cais :
- Kev piav qhia txheeb cais yog ib qho txiaj ntsig uas koj tau txais thaum koj txheeb xyuas cov ntaub ntawv teev tseg - piv txwv li, tus qauv txhais tau tias, nruab nrab, tus qauv sib txawv, kev sib raug zoo, kab rov qab, cov npoo ntawm qhov yuam kev, thiab kev xeem txheeb cais .
Ib yam li ntawd, cov ntsiab lus tseem ceeb ntawm kev txheeb cais yog dab tsi?
Feem ntau cov ntsiab lus txheeb cais koj yuav tuaj hla yog qhov nruab nrab, hom thiab nruab nrab. Cov no yog txhua yam hu ua "Measures of Central Tendency." Tseem ceeb heev nyob rau hauv no thaum ntxov tshooj ntawm txheeb cais yog tus qauv ntawm kev faib khoom. Qhov no qhia peb ib yam dab tsi txog yuav ua li cas cov ntaub ntawv nthuav tawm nyob ib ncig ntawm qhov nruab nrab lossis nruab nrab.
Tom qab, lo lus nug yog, dab tsi yog lub sij hawm statistical? Kev txheeb cais yog a lub sij hawm siv los sau cov txheej txheem uas tus kws tshuaj ntsuam siv los qhia txog cov ntaub ntawv teev tseg. Yog tias cov ntaub ntawv teeb tsa nyob ntawm ib qho piv txwv ntawm cov pej xeem loj, ces tus kws tshuaj ntsuam tuaj yeem tsim kev txhais lus txog cov pej xeem feem ntau raws li qhov txheeb cais qhov tshwm sim los ntawm tus qauv.
Tib neeg kuj nug tias, 4 lub ntsiab lus tseem ceeb ntawm kev txheeb cais yog dab tsi?
Lub tsib lo lus pejxeem, piv txwv, parameter, txheeb cais (singular), thiab sib txawv ntawm daim ntawv yooj yim lus ntawm txheeb cais . Koj kawm tsis tau ntau txog txheeb cais tshwj tsis yog tias koj xub kawm cov ntsiab lus ntawm tsib lo lus no.
Cov piv txwv ntawm kev txheeb cais yog dab tsi?
Qee qhov suav nrog: Tus qauv piv txwv thiab tus qauv nruab nrab. Sample variance thiab qauv qauv sib txawv. Sample quantiles dua li qhov nruab nrab, piv txwv li, quartiles thiab feem pua. Kuaj txheeb cais , zoo t txheeb cais , chi-squared txheeb cais , f txheeb cais.
Pom zoo:
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