Kalkulatè Z-Score
Konvèti yon valè brut nan yon z- pwen ak jwenn peryòd li.
Rezilta yo mete ajou pandan w ap ekri.
Atik sa a
you want to compare a standard score to a normal distribution, you can use the standard-normal cumulative distribution. The standard-normal cumulative distribution is a method of calculating standard deviations from a normal distribution. It is a method that uses the standard-normal cumulative distribution to calculate the standard deviations from a normal distribution. The standard-normal cumulative distribution is a method that uses the standard-normal cumulative distribution to calculate standard deviations from a normal distribution. The standard-normal cumulative distribution is a method that uses the standard-normal cumulative distribution.Worked example: z-score (standard score) is a calculator that uses the standard deviations from a normal distribution to calculate standard deviations from a normal distribution.Worked example: z-score (standard score) is a calculator that uses the standard deviations from a normal distribution.Worked example: z-score (standard score) is a calculator that uses the standard deviations from a normal distribution.Worked example: z-score (standard score) is a calculator that uses the standard deviations from a normal distribution.Worked example: z-score (standard score) is a calculator that uses the standard deviations from a normal distribution.Worked example: z-score (standard score) is a calculator that uses the standard deviations from a normal distribution.Worked example: z-score (standard score) is a calculator that uses the standard deviations from a normal distribution.Worked example: z-score (standard score) is a calculator that uses the standard deviations from a normal distribution.Worked example: z-score (standard score) is a calculator that uses the standard deviations from a normal distribution.Worked example: z-score (standard score) is a calculator that uses the standard deviations from a normal distribution.Worked example: z-score (standard score) is a calculator that uses the standard deviations from a normal distribution.Worked example: z-score (standard score) is a calculator that uses the standard deviations from a normal distribution.Worked example: z-score (standard score) is a calculator that uses the standard deviations from a normal distribution.Worked example: z-score (
Kesyon ki poze souvan
Ki sa ki vle di yon z- pwen de 2?
Yon z-score de 2 vle di ke valè a se de deviations estanda anwo a mwayèn. anba yon distribisyon nòmal sou 97.7% nan valè yo tonbe anba li, se konsa li se yon relativman ekstrèm, wo valè.
Èske z-score ka negatif?
Wi. Yon z-score negatif vle di ke valè a se anba mwayèn. Yon z-score de −1.5, pou egzanp, se yon deviation standard ak yon mwayèn anba mwayèn.
Kijan pou mwen kalkile yon z-score?
Soti nan valè ou a, retire mwayèn la epi divize pa deviation estanda a: z = (x − μ) / σ. Pou x = 85, μ = 70 ak σ = 10 z-score a se (85 − 70) ÷ 10 = 1.5.
Ki jan yon z-score gen rapò ak yon peryòd?
Z-score a se konvèti nan yon peryòd pa distribisyon an nòmal-standard kumulatif, ki bay pwopòsyon nan valè anba li. Yon z-score de 0 se 50yèm peryòd la, +1 se sou 84yèm ak -1 sou 16yèm.
Ki sa ki konsidere kòm yon z-score wo oswa inosan?
Selon yon règ komen, z-score depase ±2 se enkoni ak depase ±3 se ra, depi sou 95% nan yon distribisyon nòmal se nan de deviations estanda nan mwayèn la ak 99.7% nan deviations estanda nan twa.
Èske mwen bezwen yon distribisyon nòmal pou mwen ka itilize yon z- pwen?
Ou ka standardize nenpòt valè ak z fòmil san konte fòm, men peryòd ak tail probabilite sa a zouti rapòte assumes done a swiv yon distribisyon nòmal. Pou fò non- nòmal done sa yo probabilite yo se sèlman approximate.
API — itilize sa a calculateur soti nan kòd
Apèl sa a calculateur kòm yon gratis JSON pwent-de-fini - pa gen okenn kle ki nesesè. Envoye valè jaden anba a kòm paramèt kesyonè oswa JSON. Li dokiman API a an antye →
Endpoint
GET https://calculator.free/api/v1/z-score/curl
curl "https://calculator.free/api/v1/z-score/?x=85&mean=70&sd=10"JavaScript fetch()
const r = await fetch(
"https://calculator.free/api/v1/z-score/?" + new URLSearchParams({
"x": "85",
"mean": "70",
"sd": "10"
}));
const data = await r.json();
console.log(data.results);Rezilta yo se estimasyon pou kòmandman jeneral sèlman, pa finansye, medikal oswa konsèy taks.