Video: Dab tsi yog ungrouped data?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Ungrouped cov ntaub ntawv yog cov cov ntaub ntawv koj thawj zaug los ntawm kev sim lossis kev kawm. Cov cov ntaub ntawv yog raw - uas yog, nws tsis tau txheeb rau hauv pawg, cais, lossis lwm pawg. Ib tsis koom teeb ntawm cov ntaub ntawv yog ib daim ntawv teev cov lej.
Nyob rau hauv no txoj kev, dab tsi yog ungrouped data piv txwv?
Cov ntaub ntawv feem ntau piav raws li tsis koom pawg. Ungrouped cov ntaub ntawv yog cov ntaub ntawv muab raws li tus kheej cov ntaub ntawv cov ntsiab lus. Ungrouped cov ntaub ntawv tsis muaj frequencydistribution. 1, 3, 6, 4, 5, 6, 3, 4, 6, 3, 6 Nplooj 2 Piv txwv 4.
Tsis tas li ntawd, koj yuav ua li cas thiaj nrhiav tau cov ntaub ntawv sib koom ua ke thiab ungrouped hauv kev txheeb cais? Cov ntaub ntawv yog thawj sau li cov ntaub ntawv tsis sib koom , uas yog ib daim ntawv teev cov cov ntaub ntawv uas tsis koom nyob rau hauv lawm. Tsim pawg cov ntaub ntawv , koj yuav tsum cais cov cov ntaub ntawv tsis sib koom mus rau hauv ntau pawg thiab tom qab ntawd tsim atable uas qhia tau hais tias tus txheeb ze zaus uas txhua qeb tshwm sim hauv raw cov ntaub ntawv.
Ib sab saum toj no, dab tsi yog qhov txawv ntawm pab pawg cov ntaub ntawv thiab cov ntaub ntawv tsis muaj npe?
Ob leeg yog cov ntaub ntawv muaj txiaj ntsig ntawm cov ntaub ntawv tab sis cov qhov sib txawv ntawm lawv yog li ntawd cov ntaub ntawv tsis sib koom yog raw cov ntaub ntawv . Qhov no txhais tau hais tias nws nyuam qhuav tau sau tab sis tsis txheeb rau hauv ib qho twg pab pawg los yog chav kawm. Ntawm qhov tod tes, pawg cov ntaub ntawv yog cov ntaub ntawv uas tau teem rau hauv pab pawg los ntawm raw cov ntaub ntawv.
Yuav ua li cas koj nrhiav tau qhov nruab nrab hauv cov ntaub ntawv ungrouped?
Yog ib cov ntaub ntawv teeb muaj tus lej khib ntawm kev soj ntsuam, ces tus nruab nrab yog tus nqi nruab nrab. Yog hais tias nws muaj ib tug sib npaug ntawm kev soj ntsuam, lub nruab nrab yog qhov nruab nrab ntawm tus nqi nruab nrab. Rau nrhiav qhov nruab nrab : 1) Npaj cov cov ntaub ntawv qhov tseem ceeb ntawm qhov tsawg tshaj plaws mus rau qhov loj tshaj plaws.
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