Cov txheej txheem:
Video: Dab tsi yog CF kem hauv lub rooj zaus?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Nquag Ntau zaus DistributionDefinition
Technically, ib tug cumulative zaus kev faib tawm yog cov lej ntawm cov chav kawm thiab txhua chav kawm hauv qab nws hauv a zaus kev faib tawm. Txhua yam uas txhais tau tias yog koj tab tom ntxiv avalue thiab tag nrho cov txiaj ntsig uas tau los ua ntej.
Ib yam li ntawd, nws tau nug, koj pom CF li cas hauv lub rooj faib khoom zaus?
Siv cov kev hloov pauv tas mus li saum toj no rau:
- teeb tsa lub rooj faib khoom zaus.
- nrhiav qhov zaus rau txhua lub sijhawm kawm.
- nrhiav qhov kawg rau txhua lub sijhawm kawm.
- suav cov zaus ntau zaus los ntawm kev ntxiv cov lej hauv kab lus.
- sau tag nrho cov txiaj ntsig hauv lub rooj.
Kuj Paub, koj ua li cas thiaj nrhiav tau qhov nruab nrab hauv lub rooj sib tw zaus? Yog peb faib a cumulative zaus nkhaus inquarters, tus nqi ntawm lub quarter qis yog hu ua thelower quartile, tus nqi ntawm nruab nrab muab qhov nruab nrab thiab tus nqi ntawm lub quarter sab sauv yog lub quartile qaum. Ib pawg ntawm cov lej yuav muaj raws li hauv qab no: 8, 14, 15, 16, 17, 18, 19, 50.
Tsuas yog li ntawd, dab tsi yog lub rooj sib txuas zaus?
Nquag ntau zaus yog siv los txiav txim seb tus naj npawb ntawm cov kev soj ntsuam uas nyob saum toj (lossis hauv qab) ib qho txiaj ntsig tshwj xeeb hauv cov ntaub ntawv teev tseg. Cov cumulative zaus yog xam byaddding txhua zaus los ntawm a zaus kev faib tawm rooj mus rau tag nrho nws cov predecessors.
Tus qauv ntawm qhov nruab nrab yog dab tsi?
Qhov nruab nrab (nruab nrab) pom tau los ntawm kev ntxiv tag nrho cov lej ua ke thiab muab faib los ntawm cov lej ntawm cov khoom hauv pawg: 10 + 10 + 20 + 40 + 70 / 5 = 30. nruab nrab yog pom los ntawm kev xaj theset los ntawm qis tshaj mus rau siab tshaj thiab nrhiav qhov tseeb nruab nrab. Cov nruab nrab tsuas yog tus lej nruab nrab: 20.
Pom zoo:
Yuav ua li cas koj pom cov chav kawm ciam teb nyob rau hauv ib tug zaus faib lub rooj?
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