Kalkulatur tal-Varjanza

Ikkalkula l-kampjun jew varjazzjoni tal-popolazzjoni ta' sett ta' data.

Separa l-valuri bil-komma jew bl-ispazji.
Varjazzjoni —
Devjazzjoni standard —
Medja —
Somma tad-devjazzjonijiet kwadrati —
Minimu —
Massimu —
Medda —
Għadd —

Riżultati aġġornament kif inti tip.

Dwar din il-kalkulatur

is the average of the squared deviations from the mean. The standard deviation is the average of the squared deviations from the mean. The standard deviation is the average of the squared deviations from the mean. The standard deviation is the average of the squared deviations from the mean. The standard deviation is the average of the squared deviations from the mean. The standard deviation is the average of the squared deviations from the mean. The standard deviation is the average of the squared deviations from the mean. The standard deviation is the average of the squared deviations.ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked example:ToWorked

Mistoqsijiet li jsiru ta' spiss

Kif hija varjazzjoni relatata mal-devjazzjoni standard?

Id-devjazzjoni standard hija l-għerq kwadru tal-varjazzjoni.Varjanza hija f'unitajiet kwadri (per eżempju, dollari kwadri), filwaqt li d-devjazzjoni standard hija lura fl-unitajiet oriġinali, sabiex it-tnejn dejjem jiddeskrivu l-istess tixrid.

Meta għandi nuża n kontra n - 1?

Divide minn n - 1 meta d-data tiegħek hija kampjun użat biex jikkalkula popolazzjoni akbar; diviżjoni minn n meta d-data tiegħek tirrappreżenta l-popolazzjoni kollha inti kura dwar.

Għaliex huwa varjazzjoni f'unitajiet kwadru?

Minħabba li kull devjazzjoni hija kwadrat qabel medja, ir-riżultat iġorr il-kwadru tal-unità oriġinali — dollari kwadru, ċentimetri kwadru u l-bqija.Dan jagħmel varjazzjoni skomda biex jiġu interpretati direttament, li huwa għaliex l-għerq kwadru tagħha, id-devjazzjoni standard, huwa rrappurtat flimkien miegħu.

Il-varjazzjoni tista’ tkun negattiva?

Le, huwa medja ta’ numri kwadrati, għalhekk dejjem ikun żero jew pożittiv. Varjazzjoni ta’ eżattament żero tfisser li kull valur fis-sett huwa identiku.

X'inhi d-differenza bejn varjazzjoni u devjazzjoni standard?

Dawn jiddeskrivu l-istess tixrid iżda fuq skali differenti: il-varjazzjoni hija d-devjazzjoni kwadra medja, u d-devjazzjoni standard hija l-għerq kwadru tagħha, lura fl-unitajiet oriġinali.Jekk il-varjazzjoni hija 25, id-devjazzjoni standard hija 5.

Kif huwa varjazzjoni użat fl-analiżi reali?

Il-varjazzjoni hija l-bażi tar-riskju fil-finanzi, is-saħħa tas-sinjal fl-inġinerija u t-test F fl-ANOVA, fejn il-varjazzjoni bejn il-gruppi titqabbel mal-varjazzjoni fi ħdanhom biex jiġi deċiż jekk il-medji tal-grupp humiex tassew differenti.

Kalkulaturi relatati

Kalkulatur tad-devjazzjoni standard Medja, Medjan, Kalkulatur tal-Modalità Koeffiċjent tal-Varjazzjoni Kalkulatur

❤️ Imħabba Calculator.Free? Aqsamha ma' ħaddieħor

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API — uża din il-kalkulatur mill-kodiċi

Sejjaħ dan il-kalkulatur bħala punt aħħari JSON b'xejn — l-ebda ċavetta meħtieġa Ibgħat il-valuri tal-qasam hawn taħt bħala parametri tal-mistoqsija jew JSON. Aqra d-dokumenti sħaħ tal-API →

Punt aħħari

GET https://calculator.free/api/v1/variance/

curl

curl "https://calculator.free/api/v1/variance/?numbers=12, 15, 17, 20, 22, 25&type=sample"

JavaScript fetch()

const r = await fetch(
  "https://calculator.free/api/v1/variance/?" + new URLSearchParams({
    "numbers": "12, 15, 17, 20, 22, 25",
    "type": "sample"
  }));
const data = await r.json();
console.log(data.results);

Ir-riżultati huma stimi għal gwida ġenerali biss, mhux parir finanzjarju, mediku jew tat-taxxa.