Kalkaaliyihii kala duwanaanshaha
Tixraac tijaabada ama dadka kala duwan ee set data.
Natiijooyinka cusbooneysiinta sida aad ku qorto.
Ku saabsan Kalkaaliyahan
standard deviation is the average of the squared deviations from the mean and is the square of the standard deviation. This calculator gives the sample variance (sum of squared deviations divided by n − 1) or the population variance (divided by n), along with the standard deviation, mean, range and sum of squared deviations. Variance is expressed in squared units, which is why it is usually easier to interpret. Variance is always non-negative and gives extra weight to values that lie far from the mean. The standard deviation is the average of the squared deviations from the mean and is the square of the standard deviation. This calculator gives the sample variance (sum of squared deviations divided by n − 1) or the population variance (divided by n), along with the standard deviation, mean, range and sum of squared deviations. This calculator gives the average of the squared deviations from the mean and is the square of the standard deviation.To find it, take the mean, subtract it from every value, square each of those deviations, add them together and divide by n − 1 for a sample or by n for a whole population.To find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find itTo find
Su'aalaha badanaa la isweydiiyo
Sidee ayaa kala duwanaansho la xiriira ka leexashada caadiga ah?
The standard digriiga waa jirridda square ee kala duwanaanshaha. kala duwanaanshaha waa in unugyada squared (tusaale ahaan, dollarka squared), halka digriiga standard waa dib ugu unugyada asalka ah, sidaas daraaddeed labada mar walba ku qeexaya kala firdhinta isku mid ah.
Goorma ayaan isticmaali n ka hor n - 1?
Qaybta by n - 1 marka aad xogta waa tusaale loo isticmaalo in la qiyaaso dad badan; qaybinta by n marka aad xogta ka dhigan tahay dadka oo dhan aad ka warqabaan.
Maxaa ka duwan yahay in unugyada squared?
Sababtoo ah kala duwanaanshaha kasta waa squared ka hor inta aan qiyaasta, natiijada waxaa la socda square of unit asalka ah - dollar squared, sentimitir squared iyo wixii la mid ah. Taasi waxay ka dhigaysaa kala duwanaanshaha dhib badan in si toos ah u fasiraan, taas oo ah sababta ay square root, ka leexashada caadiga ah, waxaa lagu sheegay in ay la socdaan.
Ma kala duwanaansho noqon karaa mid xun?
No. Waa qiyaasta of squared lambarrada, sidaas darteed waa mar walba zero ama positive. A kala duwanaanshaha of si toos ah zero macnaheedu waa qiimaha kasta oo set waa isku mid.
Waa maxay farqiga u dhexeeya kala duwanaanshaha iyo ka leexashada caadiga ah?
Waxay ku qeexi kala firdhinta la mid ah laakiin on scales kala duwan: kala duwanaanshaha waa kala duwanaanshaha squared celcelis ah, iyo kala duwanaanshaha caadiga ah waa sifooyinka square, dib u units asalka ah. Haddii kala duwanaanshaha waa 25, kala duwanaanshaha caadiga ah waa 5.
Sidee waa kala duwanaansho loo isticmaalaa falanqaynta dhabta ah?
kala duwanaansho hoos u khatarta maaliyadda, awoodda calaamad in injineernimada iyo F-tijaabo ee ANOVA, halkaas oo kala duwanaansho ka dhexeeya kooxaha waxaa la barbardhigo kala duwanaansho dhexdooda si ay u go’aansadaan haddii kooxaha macnaheedu yahay dhab ahaanba kala duwan.
API — isticmaal xisaabinta ka code
Wici xisaabinta sida free JSON endpoint - key ma loo baahan yahay. Dib u soo dir qiimaha goobta hoos ku qoran sida parameters su'aal ama JSON. Akhri dhammaan API xuquuqda →
Xarafka
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);Natiijooyinka waa tirakoobka loogu talagalay tilmaamaha guud oo keliya, maaha dhaqaale, caafimaad ama talo bixin canshuur.