Confidence Interval Calculator

Kugadzira confidence interval yepakati kubva ku sampling mean, SD uye size.

Chikamu chepasi —

Kumusoro kwemutsetse —

Margin of error —

Standard error —

Zvinyorwa zvinogadziridzwa paunenge uchinyora.

Nezve iyi kalkulator

confidence interval is a measure of the probability of a sample to capture the true population mean. It is used to estimate the probability of a sample to capture the true population mean. The confidence interval is a measure of the probability of a sample to capture the true population mean. It is used to calculate the probability of a sample to capture the true population mean. The confidence interval is a measure of the probability of a sample to capture the true population mean. The confidence interval is a measure of the probability of a sample to capture the true population mean. The confidence interval is a measure of the

Zvimwe zvinobvunzwa zvakanyanya

Chii chinonzi 95% confidence interval?

Izvi zvinoreva kuti kana iwe wakadzokorora kuongorora nguva zhinji uye wakagadzira nguva yepakati nguva nenguva, nezve 95% yenguva dzepakati dzichasanganisira chokwadi chevanhu. Izvi hazvireve kuti pane 95% mukana wekuti nguva yepakati iri mune iyi imwe nguva yepakati.

Kana ndichifanira kushandisa t-interval sezvandinoda?

Usashandisa t- interval kana mufananidzo uri muto (pasi pe30) uye standard deviation yevanhu haizivikanwe. The t- distribution has heavier tails, giving a slightly wider, more cautious interval than this z- based one.

Chii chinonzi margin of error munguva yekuvimbika?

Kunyangwe zvazvo mhedzisiro yemubvunzo uyu yakafanana neyemubvunzo wekutanga, mhedzisiro yemubvunzo uyu inoratidza kuti mhedzisiro yemubvunzo uyu inoenderana nechokwadi.

Ndinogona sei kuita kuti confidence interval iite seyakavhara?

Kuunganidza a zhinji muenzaniso, sezvo width zvishoma ne square root of n, kana kubvuma pasi confidence level. Kuderedza variability mu data yakowo tightens the interval. Quadrupling muenzaniso urefu approximately halfs the width.

Iine a yepamusoro confidence level kuita interval yakakura?

Ndinoda. Kuda zvakawanda kuvimbika inoshandisa zhinji zvikuru kukosha z *, saka 99% interval iri zhinji kupfuura 95% interval yakavakwa kubva pamwechete data. Panewo nguva dzose trade-off pakati kuvimbika uye kunyatsoita.

Chii chinonzi standard error?

Standard error i standard deviation yakaparadzana ne square root ye sample size (σ / √n). Inoita kuti uzive kuti sample mean yaizosiyana sei kubva ku sample kuenda ku sample, uye ndiyo inoita kuti uzive kuti ndeipi nzira yaungashandisa kuti uone kuti bvunzo yako yakakodzera here.

API — kushandisa iyi kalkulator kubva code

Chiva iyi calculator semahara JSON endpoint - hapana chikuru zvinodiwa. Kutumira nzvimbo zviwanikwa pasi separameter query kana JSON. Tora yakazara API docs →

Endpoint

GET https://calculator.free/api/v1/confidence-interval/

curl

curl "https://calculator.free/api/v1/confidence-interval/?mean=100&sd=15&n=50&conf=1.96"

JavaScript `fetch()`

const r = await fetch(
  "https://calculator.free/api/v1/confidence-interval/?" + new URLSearchParams({
    "mean": "100",
    "sd": "15",
    "n": "50",
    "conf": "1.96"
  }));
const data = await r.json();
console.log(data.results);

Zviratidzo zvemubvunzo ndezvekufungidzira kwechinangwa chekudzidzisa chete, kwete zvemari, zvehutano kana zvemari.

Nezve iyi kalkulator

Zvimwe zvinobvunzwa zvakanyanya

Maitiro ekuita Calculators

Endpoint

curl

JavaScript fetch()

JavaScript `fetch()`