InotungamirwaSainzi

Statistical vokuparidzira

Statistics - sayenzi kuti vanodzidza vakawanda mananara kuti atore nzvimbo munyika tichitarisa nouwandu. Uyu unongova mumwe akagamuchira tsanangudzo. Pane pfungwa pamusoro payo, sezvinoita sainzi kuti anovandudza Statistical nzira yokutsvakurudza inoitwa munzvimbo dzakasiyana-siyana.

Rinonyatsooneka uye zvakajairika features, zvivako uye yomumba mananara uye zvinhu kuti kuvapo chinangwa zvinoratidza zvimwe zvatinofunga kana mhando. Uchibatsirwa wavo, sayenzi iyi kudzidza pachavo chinhu. Mumwe Mapoka aya ane Statistical uwandu hwezvinhu zvose zvabatanidzwa.. Ichi vazhinji kunosiyana mananara kuti zviri muchadenga uye nguva. Vose vari vashoma homogeneous uye zviratidzo, vazviise pedyo kana zvakasiyana.

Statistical vakawanda kunoratidzwa anotevera ehupfumi:

  1. Indecomposability. Kana kuoneka kana Zvibvisike zvimwe zvezvidzidzo Statistical vakawanda, ayo yepamusoro chawo haina kuparadzwa. Somuenzaniso, zvainyanya kwevadzidzi 'munharaunda haachinji chokwadi kuti zvose gore racho panhengo kupinda freshmen uye apedza navo siya.
  2. Zvakafanana. Statistical vakawanda anogara chinhu mumwechete zvakafanana vose zvinhu zvayo. Panguva iyoyowo, chikamu ichi hachisi zvakafanana kwavari. Nyaya iyi vangava netsika dzakasiyana kuti muzvikamu zvakasiyana. The papi Statistical ndimo homogeneous, yakasimbiswa panguva kuferefeta. Zvino kunobva pfuma, achinyanya pamusoro zvinangwa uye zvinangwa izvo zvinonzi inoitwa.
  3. Kushanduka. pfuma iyi kupfuura yapfuura maviri. Kunoratidza pacharo sezvinotevera: munguva kuchinja kubva chinhu chimwe Statistical vakawanda anochinja quantitative chinhu tsika. It zvinogonawo kuti hurongwa zvose. Muchiitiko chino, kuti nzwisisei izvo Statistical vakawanda, haugoni kuridzidza zvizere, uye kuti funga mumwe chete constituent maatomu akafanana. The panowanikwa kushanduka kunokanganisa zvakawanda rose zvinokonzera uye mamiriro. Kugutsikana yavo, kugadzirisa kuranga zvoupfumi anobatanidzwa. A nhamba chete Anoongorora quantitatively sei mumwe kunokanganisa nzira chikonzero chimwe unhu. Information nezvazvo zvinobatsira kuti zvakanaka utariri zvisarudzo.

Statistical uwandu hwezvinhu zvose zvabatanidzwa. vanokamurwa muzvikwata akawanda:

  1. Avo kuti kusika upenyu. Ivo nechekare dzinoumba kubatana, hazvinei kuferefetwa kana kwete. Somuenzaniso, mitambo iyi maindasitiri emakambani muguta, ivo raora revashandi dzavo. Iriko Chaizvoizvo, ivo kuyerwa.
  2. Groups kuti kuumbwa zvakananga kuti kuitisa tsvakurudzo. Izvi Somuenzaniso, imwe Statistical muunganidzwa zvimwe vaverengi nguva nenguva.
  3. Tsvagai yakatarwa. Wakaisa iyi stochastic (zvakadai miviri yokudenga kuti zviripo renyeredzi). Kureva, ivo chete vakafunga kufunga.

Chero Statistical vagari vari pakati mapoka matatu ane unhu zvinhu. Anogona patsanura nokuda zvakawanda.

Somuenzaniso, zvichienderana hunhu okuti zviratidzo ndiwo:

  1. Anorondedzera (chizenga). Ivo varehwa achishandisa mashoko (somuenzaniso, dzidzo, dzinza, chechikadzi). Izvi zvinhu kubvumira kuti ipe nyaya sei zviumbu vakawanda chero ukoshi.
  2. Quantitative. chiyero chazvo - nhamba (semuenzaniso, zera, urefu basa, uwandu pfuma kana kurasikirwa, nezvimwewo). Izvi zvinhu zvakare kubvumira kuti muchidimbu nhamba vezvikwata avo vane imwe kukosha, uye paavhareji kana zvachose ukoshi yoga kuti aggregates dzavo.

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