Cov txheej txheem:

Dab tsi yog qhov sib txawv ntawm pab pawg cov ntaub ntawv thiab cov ntaub ntawv tsis yog pawg?
Dab tsi yog qhov sib txawv ntawm pab pawg cov ntaub ntawv thiab cov ntaub ntawv tsis yog pawg?

Video: Dab tsi yog qhov sib txawv ntawm pab pawg cov ntaub ntawv thiab cov ntaub ntawv tsis yog pawg?

Video: Dab tsi yog qhov sib txawv ntawm pab pawg cov ntaub ntawv thiab cov ntaub ntawv tsis yog pawg?
Video: tu txiv tsi pab nkauj tawm tshiab-Cover(niam vamkhwb&paj yeeb& xis xyooj&ntxawm xyooj&niam npawglem) 2024, Hlis ntuj nqeg
Anonim

Ob leeg yog cov ntaub ntawv muaj txiaj ntsig 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.

Ua raws li qhov no saib, txhais tau li cas los ntawm cov ntaub ntawv tsis sib xws?

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.

Kuj Paub, txhais tau li cas los ntawm pawg cov ntaub ntawv? Los ntawm Wikipedia, dawb encyclopedia. Groupeddata yog cov ntaub ntawv tsim los ntawm aggregating ib tug neeg soj ntsuam ntawm ib tug txawv txav mus rau hauv pab pawg, kom ib tug zaus ntawm cov pab pawg neeg no ua hauj lwm raws li ib tug yooj yim. txhais tau tias ofsummarizing lossis analyzing the cov ntaub ntawv.

Ib tug kuj yuav nug, ua li cas koj xam cov ntaub ntawv ungrouped?

Cov kauj ruam

  1. Sau thiab suav koj cov ntaub ntawv. Rau txhua pawg ntawm cov ntaub ntawv muaj nuj nqis, ntsiab lus yog qhov ntsuas ntawm qhov tseem ceeb.
  2. Nrhiav cov lej ntawm cov ntaub ntawv muaj nuj nqis. Thawj kauj ruam ntawm kev nrhiav cov ntsiab lus yog xam cov lej ntawm tag nrho cov ntaub ntawv ntsiab lus.
  3. Faib mus nrhiav qhov txhais tau tias. Thaum kawg, faib cov lej los ntawm tus lej ntawm qhov tseem ceeb.

Dab tsi yog quartile rau ungrouped cov ntaub ntawv?

Median, Quartiles Thiab Percentiles ( UngroupedData ) Qhov nruab nrab faib cov cov ntaub ntawv nyob rau hauv ib nrab thiab ib nrab sab sauv. Qhov qis quartile yog tus nqi nruab nrab ntawm qhov qis ib nrab. Lub sab sauv quartile yog tus nqi nruab nrab ntawm lub sab sauv ib nrab.

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