Ixabiso le Standard Deviation

Bala umzekelo okanye uluhlu loqoqosho olusezantsi lokutshintsha, ukuhluka kunye nexesha eliphakathi.

& Iinketho
Ithambeka Elisezantsi —
Utshintsho —
Ixabiso eliphakathi —
I-sum ye-squared deviations —
Ubungakanani obuncinci —
Ubukhulu —
Igama le projekti —
Ibala —

Iinketho ze projekti

Ingaba le calculator ikunika umyalezo olungileyo?

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example, if you have a sample of 1000 people, you can calculate the standard deviation by dividing the number of people by 1000. The standard deviation is the difference between the average and the average. The standard deviation is the difference between the average and the average. The standard deviation is the difference between the average and the average. The standard deviation is the difference between the average and the average. The standard deviation is the difference between the average and the average. The standard deviation is the difference between the average and the average. The standard deviation is the difference between theWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked example:TheWorked

Imibuzo ebuza rhoqo

Yintoni utshintsho phakathi kwesampuli kunye nokungalingani okuqhelekileyo koqoqosho?

Ifomula yobalo-manani ihlula iincopho ezithe nkqo ezidityanisiweyo nge n; ifomula yovavanyo ihlula nge n − 1. I n − 1 (ukulungisa kukaBessel) ihlawulisa isizathu sokuba uvavanyo luya kuqikelela ngaphantsi ukusasazeka kwenyaniso kobalo-manani oluvela kulo.

Kutheni ubeka i-square kwi-deviations?

Ukwenza i-square iyenza yonke i-deviation i positive ukuze ingarhoxisi ngaphandle, kwaye iphakamisa i-deviations enkulu ngakumbi. Ukuthabatha i-square root kwisiphelo ibuyisela uvavanyo kwiyunithi yokuqala ye data.

Ndibala njani utshintsho olusezantsi oluqhelekileyo ngesandla?

Fumana umbindi, shiya ixabiso ngalinye ukuze ufumane utshintsho, ujikeleziso lotshintsho ngalunye kwaye udibanisa, emva koko udibanise nge n - 1 kumzekelo okanye n kuqoqosho kwaye uthathe umngcambu wesikwere seziphumo.

Yintoni i-standard deviation elungileyo?

Akukho xabiso elipheleleyo "elilungileyo" - lixhomekeke ngokupheleleyo kubungakanani kunye nomxholo we data yakho. Ukusuka ngokuqhelekileyo kutshintshwa kubaluleke kuphela kufutshane nomda; unikezelo olufanayo oluncinci kwixabiso lendlu lunokuba lukhulu kwinqaku lovavanyo. Ixabiso elilinganayo lotshintsho libonisa njengeepesenti yomda wothelekiso.

Ingaba ukuguquka okuqhelekileyo ku zero okanye ku negalelo?

Inoku kwenziwa ibe yi zero, eyenza ukuba ixabiso lifana kwaye akukho kusasazeka. Ayikwazi ukuba yi negative, kuba yi square root ye average of squared numbers.

Kutheni ubalo lwesampulu lufuna amaxabiso amabini?

Umzekelo wefomula uhlula nge n - 1, ngoko ixabiso elinye liza kuphinda lihlukaniswe nge zero kwaye lishiye olungachazwanga. Umzekelo wendlela yokungalingani ithetha ukuba kuphela xa uneemboniselo ezimbini okanye ngaphezulu zokuthelekiswa.

Ii-calculators ezihambelanayo

I-Calculator ye-Variance I-Calculator ye-Mean, Median, Mode I-Coefficient ye-Variation Calculator

❤️ Uthando Calculator.Free? Yabelana

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API — sebenzisa le calculator ukusuka kwikhowudi

Nceda le kalkulator njengendawo esemva ye-JSON ekhululekileyo - akukho qhosha lifunekayo. Thumela amaxabiso endawo engezantsi njengeparameter yombuzo okanye i-JSON. Nantoni na oyenzayo isebenzisa okungagqibekanga okufanayo eli phepha ligqityiwe ngaphambili; iparameter engaziwayo yi 400, ayikho i zero ekhululekileyo. Funda i-API epheleleyo →

Incopho yesiphelo

GET https://calculator.free/api/v1/standard-deviation/

curl

curl "https://calculator.free/api/v1/standard-deviation/?numbers=9, 2, 5, 4, 12, 7, 8, 11, 9, 3, 7, 4, 12, 5, 4, 10, 9, 6, 9, 4&type=sample"

JavaScript fetch()

const r = await fetch(
  "https://calculator.free/api/v1/standard-deviation/?" + new URLSearchParams({
    "numbers": "9, 2, 5, 4, 12, 7, 8, 11, 9, 3, 7, 4, 12, 5, 4, 10, 9, 6, 9, 4",
    "type": "sample"
  }));
const data = await r.json();
console.log(data.results);

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