Qalabka xisaabinta
Tixraac ama tirada dadka standard diidmada, kala duwanaanshaha iyo u dhaxaysa.
Natiijooyinka cusbooneysiinta sida aad ku qorto.
Ku saabsan Kalkaaliyahan
example, if you have a sample of 1000 people, you can calculate the standard deviation by dividing the number of people in the sample by 1000. The standard deviation is the difference between the number of people in the sample and the number of people in the population. The standard deviation is the difference between the number of people in the sample and the number of people in the population. The standard deviation is the difference between the number of people in the sample and the number of people in the population. The standard deviation is the difference between the number of people in the sample and the
Su'aalaha badanaa la isweydiiyo
Maxay tahay farqiga u dhexeeya tusaale iyo dadka caadiga ah ee ka leexashada?
Foomka dadweynaha qaybiyaa summed squared diidmada by n; foomka tusaale ah qaybiya by n - 1. The n - 1 (Bessel ee hagaajinta) compensates in xaqiiqada ah in tusaale u jecel yahay in ay hoos u qiimeeyaan faafidda dhabta ah ee dadka ay ka yimid.
Maxaa ka mid ah xagga ka leexashada?
Squarering ka dhigaysa kala duwanaanshaha kasta oo wanaagsan si ay u joojiyaan, oo waxay miisaanka kala duwanaanshaha weyn oo ka badan si xoog leh. Ka qaado xididka square ee dhamaadka ka soo laabtay tallaabada in unugyada asalka ah ee xogta.
Sideen u xisaabiyaa standard diidmada gacanta?
Ka hel dhexdhexaad ah, ka dhigi ka mid ah qiimaha kasta si ay u helaan kala duwanaanshaha, square kala duwanaanshaha kasta oo ay ku daraan, ka dibna ku kala qaybsan n - 1 oo tusaale ah ama n oo dadka iyo qaado jiirka square ee natiijadaas.
Waa maxay ka noqoshada caadiga ah oo wanaagsan?
Ma jiro qiime guud "fiican" - waa ku xiran tahay oo dhan oo ku saabsan heerka iyo macnaha xogtaada. A ka leexashada caadiga ah waa kaliya macno weyn oo ku xiga inta u dhexeysa; kala firdhinta la mid ah oo yar yar ee qiimaha guriga waxaa laga yaabaa in ay aad u weyn ee dhibcaha imtixaanka.
Ma standard ka leexashada noqon kartaa zero ama xun?
Waxay noqon kartaa zero, taas oo kaliya ka dhacda marka qiimaha kasta waa isku mid ah oo waxaa jira faafin aan dhammaan. Waxay noqon kartaa marnaba xun, sababtoo ah waa square root of dhexdhexaad ah oo ah tirada squared.
Maxaa yeelay, xisaabta tusaale u baahan tahay ugu yaraan laba qiimo?
Formula tusaale ah ayaa ku kala qaybsan n - 1, sidaas daraaddeed qiimaha kaliya ayaa ku kala qaybsan by zero iyo waxaa laga tagay aan la qeexin. A tusaale ah standard diidmada kaliya macno marka aad leedahay laba ama in ka badan oo aragti ah in la barbar dhigo.
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/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);Natiijooyinka waa tirakoobka loogu talagalay tilmaamaha guud oo keliya, maaha dhaqaale, caafimaad ama talo bixin canshuur.