I-Calculator ye-Variance

Linganisa isifanekiso noma ukuhluka kwabantu kweset data.

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Ukuhluka —
Ukuhluka okujwayelekile —
Iphakathi —
Izinga lokuhluka okusikwele —
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Okuphezulu —
Ibanga —
Izinga —

Iziphetho zivuselelwa uma ubhala.

Malunga nale khadi

example, if you have a sample of 1000 people, you can calculate the standard deviation by dividing the sample by 1000. 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.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 example

Imibuzo ebuzwa kaningi

Ingabe ushintsho luhlobene kanjani nesimo esijwayelekile sokungalingani?

Iphutha elijwayelekile yisisekelo esiyisikwere sesimo. Isimo siyiyunithi esiqweqwe (isibonelo, amadola asiqweqwe), ngenkathi iphutha elijwayelekile libuyela emuva kuyunithi yakuqala, ngakho-ke lezi ezimbili zihlala zichaza ukusakazeka okufanayo.

Ngabe ngisebenzisa n versus n − 1?

Yabelana nge n - 1 uma idatha yakho isebenzisa isampula ukulinganisela inani elikhulu labantu; yabelana nge n uma idatha yakho ikhombisa inani elikhulu labantu ofuna ukuwakhathalela.

Kungani ihlukana kuyizingxenye ezisikwele?

Ngenxa yokuthi i-deviation ngayinye i-squared ngaphambi kokulinganisela, imiphumela ithatha i-squared yeyunithi yokuqala - amadola a-squared, amasentimitha a-squared njll. Okukwenza ukuhlukahluka kube nzima ukuchaza ngokuqondile, ngakho-ke i-square root yayo, i-deviation ejwayelekile, i raportiwe ngakwesokudla.

Ingabe ushintsho luyingozi?

Hayi. Yisilinganiso samanani ahlukanisiwe, ngakho-ke sihlala siyisi-zero noma siyi-positive. Ukuhluka kwe-zero ngokugcwele kusho ukuthi ixabiso ngalinye eqenjini lifana.

Yini ushintsho phakathi kwe-variance ne-standard deviation?

Bachaza ukusakazeka okufanayo kodwa ngezinga elilodwa: i-variance iyi-deviation ephakathi eyisikwere, ne-standard deviation iyi-square root yayo, emuva kumayunithi aqalayo. Uma i-variance ingu-25, i-standard deviation iyi-5.

Indlela ihlukana esetshenziswa ekuqwashiseni ongempela?

Ukuhlukana kuholela emdlalweni ezimalini, amandla okubonisa enjiniyela kanye ne-F-test ku-ANOVA, lapho ukuhlukana phakathi kwamaqembu kuqhathaniswa nokuphakama ngaphakathi kwabo ukucabanga ukuthi ngabe iqembu lisho ukuthi lihlukile.

Ama-calculators ahlobene

I-Calculator ye-Standard Deviation I-Calculator ye-Mean, Median, Mode I-Coefficient ye-Calculator ye-Variation

❤️ Uthando Calculator.Free? Yabelana

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API — sebenzisa le calculator kusuka kukhodi

Nquma le kalkuli njengendawo ephelezelwa i-JSON - akukho isitshixo esidingekayo. Thumela amaxabiso endawo ngezansi njengepharamitha yombuzo noma i-JSON. Funda i-API egcwele →

Ingxenye yendawo

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);

Izibalo ziyisilinganiso esisetshenziswa ukuqondisa kuphela, hhayi ukucebisa ngezimali, ukwelashwa noma ukukhokha.