I-Calculator ye-Standard Deviation

Balala isibonisi noma inani lesimo esijwayelekile sokungalingani, ukuhluka kanye nesilinganiso.

Yahlula amaxabiso nge-comma noma izithuba.
Ukuhluka okujwayelekile —
Ukuhluka —
Iphakathi —
Izinga lokuhluka okusikwele —
Okuncane —
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 number of people by the number of samples. The standard deviation is the difference between the average value of the sample and the average value of the population. The standard deviation is the difference between the average value of the sample and the average value of the population. The standard deviation is the difference between the average value of the sample and the average value of the population. The standard deviation is the difference between the average value of the sample and the average value of the population. The standard deviationTheWorked 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 ebuzwa kaningi

Yini ushintsho phakathi kwesampula nesilinganiso sokungalingani komphakathi?

Ifomu le-population lihlukanisa i-summed squared deviations ngo-n; ifomu lesampula lihlukanisa ngo-n - 1. I-n - 1 (ukulungisa kuka-Bessel) ikhokhela iqiniso lokuthi isampula ivame ukulinganisela ngezansi ukusakazeka okungokoqobo kwe-population eyavela kuyo.

Kungani ubeka i-square ku-deviations?

Ukuhlukaniswa kwenza wonke amaphutha abe ngcono ukuze angalahleki, futhi abeke isisindo kumaphutha amakhulu kakhulu. Ukuthathela umsuka wesikwere ekugcineni kubuyisela umlinganiselo kumayunithi angaphambili wedatha.

Ngiyibala kanjani i-standard deviation ngesandla?

Thola umphakathi, shiya ixabiso ngalinye ukuze uthole izilinganiso, hlanganisa zonke izilinganiso bese ungeza, bese uhlukanisa ngo n - 1 ngesampula noma n ngezinga lomphakathi bese uthatha isitshalo sezinhlamvu semiphumela.

Yini i-standard deviation engcono?

Akukho lutho oluphelele "oluhle" inzuzo - ixhomekeke ngokuphelele ku isilinganiso kanye nesimo sedatha yakho. Iphutha elijwayelekile liyiqiniso kuphela eduze kwesilinganiso; i-spread efanayo encane kakhulu kuntengo yendlu ingaba enkulu kakhulu kumazinga wokuhlolwa. I-coefficient yehlukana ichaza njengengxenye ye-phesenti yesilinganiso sokuqhathaniswa.

Ingabe isilinganiso sokungalingani siyi zero noma si negative?

Ingaba yi-zero, okuzokwenzeka kuphela uma ixabiso ngalinye lifana futhi akukho kuphikiswa ngaso sonke isikhathi. Ngakho-ke, ngeke kube yi-negative, ngoba yi-square root yesilinganiso se-squared numbers.

Kungani isampula yokulinganisa idinga amaxabiso amabili?

Ifomu lesibonelo lihlukaniswa nge n - 1, ngakho inani elilodwa lihlukaniswe nge zero futhi lishiye lingazibonakalisi. Isibonelo esijwayelekile sokungalingani sizobonakala uma unezifundo ezimbili noma ngaphezulu zokuqhathanisa.

Ama-calculators ahlobene

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❤️ 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/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);

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