2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Tus tsis paub cov pej xeem nruab nrab yog hu ua qhov ntsuas. Cov piv txwv paub qhov nruab nrab yog hu ua statistic.
Puas qhov nruab nrab yog qhov ntsuas?
Ib qhov ntsuas yog ib qho tus lej, zoo li qhov nruab nrab lossis feem pua, uas piav qhia tag nrho cov pejxeem.
Puas yog 38% qhov ntsuas lossis qhov txheeb cais?
STATISTIC - tus nqi ntawm 38% yog tus lej piav qhia ntawm SAMPLE ntawm pawg thawj coj hauv tsev kawm qib siab. Koj nyuam qhuav kawm 8 nqe lus!
Puas yog qhov ntsuas nruab nrab?
Average is tus lej uas piav qhia qhov chaw nruab nrab ntawm cov ntaub ntawv, cov lej uas ntsuas lossis suav. Qhov nruab nrab siv feem ntau yog qhov nruab nrab (qhov nruab nrab ntawm lej), hom (feem ntau tus lej), nruab nrab (nruab nrab tus lej thaum tus lej tau teev tsawg tshaj plaws rau qhov loj tshaj).
Puas yog 50 qhov ntsuas lossis qhov txheeb cais?
A statistic thiab qhov ntsuas zoo sib xws. Lawv yog ob qho kev piav qhia ntawm pawg, xws li "50% ntawm cov tswv dev nyiam X Hom dev noj." Qhov sib txawv ntawm ib qho kev txheeb cais thiab ib qho kev ntsuas yog qhov kev txheeb cais piav qhia tus qauv. Ib qho kev ntsuas piav qhia tag nrho cov pejxeem.
Pom zoo:
Puas yog nruab nrab thiab nruab nrab?
Tab sis peb xav hais tias: Nws sawv ntawm nws cov phooj ywg. "midst" txhais tau tias, roughly, "middle" (raws li lub npe). "Amidst" txhais tau tias "hauv nruab nrab" lossis "ntawm" lossis "
Puas yog nruab nrab thiab nruab nrab tib yam?
Average Median Qhov nruab nrab yog tus lej arithmetic mean ntawm cov lej. Qhov nruab nrab yog tus lej tus nqi uas sib cais qhov siab dua ib nrab ntawm qhov teeb tsa los ntawm ib nrab qis. Puas yog nruab nrab txhais tau tias nruab nrab?
Puas yog nruab nrab phem tshaj qhov nruab nrab?
Yog li ntawd, 'mediocre' yog tsuas yog thiab tsuas yog derogatory, me ntsis hnyav dua li 'qub' thiab hais txog tib yam li 'tsis muaj dab tsi sau hauv tsev'. 'Nruab nrab' yog zoo siv nyob rau hauv nws nruj me ntsis kev paub txog zauv/statistical.
Thaum lub sijhawm ntsuas kev ntsuas thawj zaug yog ntsuas los ntawm kev ntsuas?
Thaum qhov kev ntsuam xyuas thawj zaug, kev ncig yog ntsuas los ntawm kev ntsuam xyuas: pulse zoo, los ntshav sab nraud, thiab tawv nqaij. Yuav ntsuas dab tsi thaum lub sijhawm ntsuas thawj? rau qhov ntawm qhov kev ntsuam xyuas thawj zaug yog:
Hauv kev txheeb cais dab tsi yog qhov nruab nrab?
Tus nruab nrab yog tus lej nruab nrab hauv kev txheeb, nce lossis nqis los, cov npe ntawm tus lej thiab tuaj yeem piav qhia ntau dua ntawm cov ntaub ntawv teev tseg tshaj qhov nruab nrab. Qhov nruab nrab yog qee zaum siv tsis zoo rau qhov txhais tau tias thaum muaj cov outliers nyob rau hauv cov kab ke uas yuav skew qhov nruab nrab ntawm qhov tseem ceeb.
