Nhazi
Kewapụta n'etiti maka n'etiti site n'ụdị n'etiti, SD na ụhara.
Nhọrọ ndị ahụ ga-akpụzi mgbe ị na-etipụta.
N'ihe banyere calculator a
confidence interval is a measure of the probability of a sample to capture the true population mean. It is a measure of the probability of a sample to capture the true population mean. It is a measure of the probability of a sample to capture the true population mean. It is a measure of the probability of a sample to capture the true population mean. It is a measure of the probability of a sample to capture the true population mean. It is a measure of the probability of a sample to capture the true population mean. It is a measure of the probability of a sample to capture the true population mean.Work
Ajụjụ ndị a na-ajụkarị
Gịnị bụ 95% confidence interval?
Ọ pụtara na ọ bụrụ na ị na-ebuli n'ọdịnihu n'oge dị iche iche nakwa na-ebubata n'etiti oge ọ bụla, ihe dịka 95% nke n'etiti oge ahụ ga-echekwa n'etiti ndị mmadụ. Ọ dịghị ihe ọ pụtara bụ na ọ bụ 95% nke n'etiti oge ahụ n'etiti oge a.
Kedụ mgbe m ga-eji t-interval na-eme ya?
Jiri t-interval mgbe sample dị obere (n'okpuru 30) na ndịna-adabaghị n'ihe nlereanya. T-nhazi ahụ nwere ụda dị n'ime, na-enye obere n'ime, n'etiti nke a z-nhazi.
Gịnị bụ n'ime nke a na-agaghị eme na n'etiti n'etiti?
Ogo nke nsogbu bụ n'elu nke n'etiti, z*·(σ / √n). I nwere ike ịgbakwunye ya na iwepụ ya site na nlele ahụ iji nweta elu na ala n'oche, yabụ ogo nke obere pụtara n'ihe nlereanya nke n'eziokwu.
Olee otú m ga-esi mee ka n'etiti n'
Kpọkọta n'ụdị n'ụdị dị ukwuu, n'ihi na ọ̀sọ̀rọ̀ nke n na-ébèghị̀ n'ụdị n'
Ọ bụrụ na elu nrụnye na-eme ka n'etiti dị n'ebe dị anya?
Ee. Ikwesiri nkwenye kasị ukwuu na-eji uru z* kasị ukwuu, ya mere 99% n'etiti bụ n'etiti nke 95% mepụtara site na data nke otu. E nwere mgbe niile n'etiti nkwenye na nghọta.
Gịnị bụ ụgha n'ozuzu ya?
Nhazi asị bụ nhazi asị nke a haziri site na square nwuo nke nha saịlọn (σ / √n). O mejupụtara na ọbụla saịlọn ga-agbanwe site na saịlọn gaa na saịlọn, na ọ bụ arụmọrụ bloobụ nke margin nke asị.
API — jiri kaadị a site na kóòdù
Kpọọ kalkulata a dịka ebe ngwụcha JSON n'efu - enweghị kii achọrọ. Ziga valiu mpaghara ebe ahụ n'okpuru dịka paramita ajụjụ mọọbụ JSON. Gụọ ngwe ndị ahụ niile →
Ebemkpofuozi
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);
Ihe a na-ahụta bụ n'ihi nlekọta n'ozuzu ya, ọ bụghị nlekọta ego, ọgwụ ma ọ bụ nlekọta ego.