2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Nyob rau hauv qhov zoo skewed faib, lub txhais tau ntau dua qhov nruab nrabvim cov ntaub ntawv ntau dua rau sab qis thiab qhov nruab nrab ntawm tag nrho cov txiaj ntsig, qhov nruab nrab yog nruab nrab tus nqi ntawm cov ntaub ntawv. Yog li, yog tias cov ntaub ntawv ntau dua khoov rau sab qis, qhov nruab nrab yuav ntau dua li tus nqi nruab nrab.
Kev sib raug zoo ntawm qhov nruab nrab nruab nrab thiab hom kev faib tawm zoo yog dab tsi?
Nyob rau hauv qhov zoo skewed faib, tus nruab nrab thiab hom yuav nyob rau sab laug ntawm qhov txhais tau. Qhov ntawd txhais tau hais tias qhov nruab nrab yog siab dua qhov nruab nrab thiab qhov nruab nrab yog ntau dua li hom (Mean > Median > Hom) (Fig. 14.4). … Whereas qhov tsis zoo skewed faib qhov nruab nrab thiab hom yuav mus rau sab xis ntawm qhov nruab nrab.
Yuav ua li cas thaum qhov kev faib tawm yog qhov zoo?
Kev faib tawm zoo hauv nyiaj txiag
ua raws li kev faib tawm ib txwm, qhov tseeb, cov khoom xa rov qab feem ntau yog skewed. Qhov zoo skewness ntawm ib qho kev faib tawm qhia tias tus neeg ua lag luam yuav xav tias yuav poob qis me ntsis thiab ob peb qhov loj los ntawm kev nqis peev.
Kev faib tawm twg yog qhov zoo skewed?
Right-skewed distributions tseem hu ua positive-skew distributions. Qhov ntawd yog vim tias muaj tus Tsov tus tw ntev nyob rau hauv qhov kev coj zoo ntawm tus lej kab. Qhov nruab nrab kuj yog rau sab xis ntawm lub ncov. Qhov ib txwm faib yogkev faib ntau tshaj plaws uas koj yuav hla.
Koj txhais li cas qhov kev faib tawm tsis zoo?
Kev faib tawm tsis zoo yog hais txog hom kev faib khoom uas ntau qhov tseem ceeb tau npajntawm sab xis ntawm daim duab, qhov twg tus Tsov tus tw ntawm qhov kev faib tawm ntev dua rau sab laug thiab qhov nruab nrab yog qis dua qhov nruab nrab thiab hom uas nws yuav yog xoom lossis tsis zoo vim qhov xwm txheej ntawm cov ntaub ntawv tsis zoo …
Pom zoo:
Ntawm yog lo lus rau qhov kev sib faib nruab nrab hauv kev daws teeb meem?
Lub kua yog cov khoom uas yaj. Lub solvent is the dissolving medium. Lub sij hawm yog dab tsi rau qhov kev sib faib nruab nrab hauv pawg kev daws teeb meem ntawm cov lus teb xaiv? solvent. dissolving nruab nrab nyob rau hauv ib tug tov.
Rau qhov zoo skewed faib?
Nyob rau hauv qhov zoo skewed faib, lub txhais tau ntau dua qhov nruab nrabvim cov ntaub ntawv ntau dua rau sab qis thiab qhov nruab nrab ntawm tag nrho cov txiaj ntsig, qhov nruab nrab yog nruab nrab tus nqi ntawm cov ntaub ntawv. … 50, 51, 52, 59 qhia tau hais tias qhov kev faib tawm yog qhov zoo skewed raws li cov ntaub ntawv ib txwm muaj los yog qhov zoo sib cais ntau yam.
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.
Nyob rau hauv kev faib khoom nruab nrab asymmetrical?
Peb tau muab rau hauv qhov kev faib tawm me ntsis asymmetrical, yog tias qhov nruab nrab thiab nruab nrab yog 36 thiab 34 raws. So, $\overline{x}=36, {{M}_{e}}=34$. Muab cov nqi, peb tau ${{M}_{0}}=3\times 34-2\times 36=102-72=30$. Yog li ntawd, hom empirical yog 30.
Nyob rau hauv qhov nruab nrab lossless rau qhov twg?
Ib qhov tsis muaj qhov nruab nrab yog qhov nruab nrab nrog xoom conductivity thiab finite permeability thiab permittivity. Thaum lub electromagnetic yoj propagates los ntawm ib tug lossless nruab nrab, lub amplitude ntawm nws hluav taws xob teb los yog magnetic teb tseem nyob tas mus li thoob plaws hauv lub propagation.
