Kalkulator ukuran sampel
Temukan ukuran sampel survei untuk target margin kesalahan.
Hasilne bakal dioptimalake nalika sampeyan ngetik.
Ngenai kalkulator iki
the sample size calculator, you can calculate the sample size for a given population size. The sample size calculator uses the standard formula n = z²·p(1 − p) / e², where z is the critical value for the confidence level, p the expected proportion and e the target margin of error as a decimal. The sample size calculator uses the standard formula n = z²·p(1 − p) / e², where z is the critical value for the confidence level, p the expected proportion and e the target margin of error as a decimal. The sample size calculator uses the standard formula n = z²·p(1 − p) / e², where z is the critical value for the confidence level. The sample size calculator works with the following sample sizes: 500 respondents, 1000 respondents, 1000 respondents, 1000 respondents, 1000 respondents, 1000 respondents, 1000 respondents, 1000 respondents, 1000 respondents, 1000 respondents, 1000 respondents, 1000 respondents, 1000 respondents, 1000 respondents, 1000 respondents, 1000 respondents, 1000 respondents, 1000 respondents, 1000 respondents, 1000 respondents, 1000 respondents, 1000 respondents, 1000 respondents, 1000 respondents, 1000 respondents, 1000 respondents, 1000 respondents, 1000 respondents, 1000 respondents, 1000 respondents, 1000 respondents, 1000 respondents, 1000 respondents, 1000 respondents, 1000 respondents, 1000 respondents, 1000 respondents, 1000 respondents, 1000 respondents, 1000 respondents, 1000 respondents, 1000 respondents
Takon-takon kang kerep diajukake
Carane ukuran sampel diitung?
Formula dasarna nyaéta n = z²·p(1 − p) / e², dimana z nyaéta nilai kritis kapastian, p proporsi anu dipikahoyong, sarta e margin kasalahan salaku angka desimal. Hasilna dibolong-bolong sabab anjeun teu tiasa ngukur pecahan tina jalma.
Apa sing diarani pambentukan populasi?
Nalika populasi anjeun alit, anjeun butuh langkung sakedik jawaban tibatan anu diusulkeun ku formula dasar. Panyegah n = n₀ / (1 + (n₀ − 1)/N) ngurangan sampel ka ukuran populasi N. Éta paling penting nalika sampel mangrupikeun pecahan ageung tina sadaya.
Apa aku kudu mbayar 95% saka rega?
Dina 95% confidence kalawan margin 5% jeung teu aya estimasi saméméhna anjeun kudu ngeunaan 385 responden; margin 3% kudu ngeunaan 1,068 jeung margin 1% ngeunaan 9,604.
Apa tegese ukuran sampel dibolongan?
Anjeun teu bisa nyumponan bagian tina hiji jalma, jadi hasil pecahan bakal dipucung ka angka bulat salajengna. Pucung ka luhur tinimbang ka handap ngajamin margin kasalahan henteu langkung ageung tibatan target anjeun.
Apa aku kudu ninggalake ukuran populasi kosong?
Tinggalkeun di nol (atawa kosong) lamun populasina gedé atawa teu katempo, anu ngahasilkeun ukuran sampel standar "populasi teu kaitung". Sayogikeun populasi nyata lamun cukup leutik pikeun ngabédakeun sampel.
Carane aku bisa nyuda ukuran sampel sing dibutuhake?
Ngartikeun margin kasalahan anu langkung ageung, nganggo tingkat kapastian anu langkung handap, atanapi nyayogikeun proporsi langkung ti 50% upami anjeun gaduh perkiraan anu dipercaya. Satiap ieu ngirangan jumlah jawaban anu dibutuhkeun ku formula.
API — gunakake kalkulator iki saka kode
Ngadongékeun kalkulator ieu minangka titik akhir JSON bébas — teu peryogi kunci. Kirim nilai medan di handapeun minangka parameter pitakonan atawa JSON. Waca dokumen lengkap API →
Tampilan
GET https://calculator.free/api/v1/sample-size/curl
curl "https://calculator.free/api/v1/sample-size/?conf=1.96&e=5"JavaScript fetch()
const r = await fetch(
"https://calculator.free/api/v1/sample-size/?" + new URLSearchParams({
"conf": "1.96",
"e": "5"
}));
const data = await r.json();
console.log(data.results);Hasilna nyaéta perkiraan pikeun pituduh umum, henteu saran finansial, médis atanapi pajak.