Àwọn

Wá àwọn ìwọ̀n àwọn ààyè-iṣẹ́ ìṣàmúlò-ètò fún àwọn ìṣàmúlò-ètò àìfàmúlò-ètò.

Àwọn Ìjánu-ìṣàmúlò-ètò

Àwọn àwọn ìṣàmúlò-ètò

Àwọn ìṣàmúlò-ètò ?

Àwọn àwọn

Ìwọ̀n àwọn àwọn ìṣàmúlò-ètò ?

Àwọn àwọn ìṣàmúlò-ètò. Fi 0 pamọ́ fún àwọn àwọn ìṣàmúlò-ètò nla/ kò mọ̀.

Ìwọ̀n àwọn ìṣàmúlò-ètò —

Àwọn àwọn àgbéwọlé —

Àwọn Àtòjọ-ẹ̀yàn àwọn ìṣàmúlò-ètò

Àkóónú ìṣàmúlò-ètò yìí

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, 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: 1.Worked example: for a 5% margin at 95% confidence with an unknown proportion (p = 0.5), n = 1.96² × 0.5 × 0.5 ÷ 0.0025 ≈ 385 respondents. 2.Worked example: for a 5% margin at 95% confidence with an unknown proportion (p = 0.5), n = 1.96² × 0.5 × 0.5 ÷ 0.0025 ≈ 385 respondents. 3.Worked example: for a 5% margin at 95% confidence with an unknown proportion (p = 0.5), n = 1.96² × 0.5 × 0.5 ÷ 0.0025 ≈ 385 respondents. 4.Worked example: for a 5% margin at 95% confidence with an unknown proportion (p = 0.5), n = 1.96² × 0.5 × 0.5 ÷ 0.0025 ≈ 385 respondents.

Àwọn Àtòjọ-ẹ̀yàn

Bawo ní a ṣe lè ṣé ìṣàmúlò-ètò ìṣàmúlò-ètò?

Àwọn àwọn

Kini ìṣàmúlò-ètò ìṣàmúlò-ètò?

Tí àwọn eniyan rẹ bá jẹ́ kéré, ò ní àwọn àwọn àgbékalẹ̀ tí o fẹ́ jú tí àwọn fómúlì ìṣàmúlò-ètò bá jẹ́. Àwọn ìṣàmúlò-ètò n = n₀ / (1 + (n₀ − 1)/N) tí wọ́n fi àwọn ààyè pamọ́ sí ìwọ̀n àwọn eniyan N. Ò jẹ́ ohun tí o yẹ̀ jú gbogbo nígbà tí àwọn ààyè jẹ́ àwọn à

Ìgbà wò nínú àwọn eniyan wò ní mò fẹ́ fun ààyè ìròyìn 95%?

O da lori igun ti aṣiṣe ti o le gba. Ni 95% igbẹkẹle pẹlu igun 5% ati ko si iwadi ti o ti wa ni ti o nilo nipa 385 awọn alabapin; a igun 3% nilo nipa 1,068 ati a igun 1% nipa 9,604.

Kini idi ti àwọn ìwọ̀n ààyè-iṣẹ́ náà tí a fi pẹ̀lú?

You cannot survey part of a person, so any fractional result is rounded up to the next whole number. Rounding up rather than down guarantees the margin of error is no larger than your target.

Ńbí mò fi àwọn ìwọ̀n àwọn ìṣàmúlò-ètò pamọ́?

Fi o kù ní pàtó nípa ìwọ̀n (tabí àwọ́fẹ́) tí àwọn ìsàlẹ̀-ilà bá jẹ́ nlà jù àwọn àwọn ìsàlẹ̀-ilà lọ́wọ́lọ́wọ́ lọ́wọ́lọ́wọ́, tí a fi "àwọn ìsàlẹ̀-ilà tí kò ní ìgbà ìparí" àwọn ìsàlẹ̀-ilà ìṣàmúlò-ilà. Fi àwọn ìsàlẹ̀-ilà òótọ́ pamọ́ nígbà tí o bá jẹ́ kékeré jú àwọn ìsàlẹ̀-ilà lọ́wọ́lọ́wọ́.

Bawo ni mo ti lè fi ìgbàdúrò ìwọ̀n ààyè-iṣẹ́ náà?

Gbà ìdájú àwọn àwọn ìṣàmúlò-ètò tí o jú lọ, ló ìpele ìròyìn tí o gà jú, tàbí fi àwọn à

API — ló àwọn ìṣàmúlò-ètò yìí láti inú ìṣàmúlò-ètò

Fi àwọn ìṣàmúlò-ètò yìí kọ̀ǹpútà yìí láti inú àwọn ààyè-iṣẹ́ JSON tí a tí fi pamọ́ - àwọn bọ́tìnì kò ní àwọn tí a fẹ́. Fi àwọn fálù ààyè-iṣẹ́ sílẹ̀ sí bí àwọn àwọn ìṣàmúlò-ètò àti JSON. Ka àwọn àkọlé API kíkún →

Àwọn Ààyè Ìjánu-ìsún

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);

Àwọn àwọn

Àkóónú ìṣàmúlò-ètò yìí

Àwọn Àtòjọ-ẹ̀yàn

Àwọn Ìṣàmúlò-ètò Ìṣàmúlò-ètò

Àwọn Ààyè Ìjánu-ìsún

curl

JavaScript fetch()

JavaScript `fetch()`