2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Tus nqi nruab nrab ntawm cov qauv txheeb (nruab nrab quantile, 50 feem pua ) yog lub npe hu ua qhov nruab nrab.
Puas yog quantile tib yam li nruab nrab?
Tus nruab nrab yog ntau ntau; qhov nruab nrab yog muab tso rau hauv ib qho kev faib tawm kom meej ib nrab ntawm cov ntaub ntawv qis dua qhov nruab nrab thiab ib nrab ntawm cov ntaub ntawv yog siab dua qhov nruab nrab. Qhov nruab nrab txiav ib qho kev faib ua ob qhov sib npaug thiab yog li qee zaum hu ua 2-quantile.
Puas nruab nrab 0.5 quantile?
Piv txwv li, 0.5 quantile yog qhov nruab nrab. Dataplot txhawb nqa ob txoj hauv kev los suav cov quantile. Lwm txoj hauv kev hu ua Herrell-Davis kwv yees.
Puas yog 50% quantile tib yam li qhov nruab nrab?
Tus 50 feem pua yog hu ua qhov nruab nrab. Qhov 75th feem pua yog hu ua lub quartile qaum. Nws yog ntau dua nyob rau hauv kev txheeb cais xa mus rau quantiles.
95th quantile yog dab tsi?
A quantile yog hu ua feem pua thaum nws ua raws li qhov ntsuas 0-100. Tus 0.95-quantile yog sib npaug rau 95-feem pua thiab yog xws li tias 95% ntawm tus qauv qis dua nws tus nqi thiab 5 % yog saum toj no.
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.
Puas muaj qhov sib npaug sib npaug?
Ib kab kab sib npaug feem ntau muaj ib qho kev daws teeb meem, tab sis qee zaum nws tsis tuaj yeem muaj kev daws teeb meem (kab kab sib txuas) lossis kev daws tsis kawg (ib kab). Kab lus no tshuaj xyuas tag nrho peb qhov xwm txheej. Ib qho kev daws teeb meem.
Puas yog txhua qhov sib npaug sib npaug?
Yog, tag nrho peb tiam ntawm daim ntawv dawb tau raws nraim qhov loj me nrog tib lub pob layout. Siv tau rau rooj plaub raws li cov ntaub ntawv paperwhite haum rau txhua daim ntawv dawb, yav dhau los thiab tam sim no. Qhov ntsuas 6 nti yog hais txog qhov loj me ntawm lub vijtsam nkaus xwb, ntsuas ntawm kab pheeb ces kaum ntawm ib ces kaum mus rau lub kaum sab xis.
