P-Value Calculator (kubva Z)
Kushandura z- score kune imwe- kana maviri- mativi p- hunhu.
Zvinyorwa zvinogadziridzwa paunenge uchinyora.
Nezve iyi kalkulator
small p-value means that your data would be surprising under the null hypothesis, which counts as evidence against it. This tool converts a z-score (the standard-normal test statistic) into a p-value — the probability of observing a result at least as extreme as yours if the null hypothesis is true. A large p-value means that your data would be surprising under the null hypothesis, which counts as evidence against it. This tool converts a z-score (the standard-normal test statistic) into a p-value.
Zvimwe zvinobvunzwa zvakanyanya
Chii chinonzi p-value?
P-value inoratidza kuti, kana null hypothesis ichiratidza kuti yakakodzera, bvunzo yestatisitikisi ichaita sei. P-value yakati, kana null hypothesis ichiratidza kuti yakakodzera, bvunzo yestatisitikisi ichaita sei. P-value inoratidza kuti, kana null hypothesis ichiratidza kuti yakakodzera, bvunzo yestatisitikisi ichaita sei.
Maitiro ekuita kuti p-value ine mativi maviri isiyana sei neimwe chete?
A two-tailed bvunzo inofungidzira zvakaoma zviito munzira mbiri, saka yake p-mutengo ndiwe double the one-tailed mitengo yeimwe yeimwe |z|. Usati two-tailed paunenge chete kugara kuti pane kusiyana, uye one-tailed paunenge wakafungidzira nzira pamberi.
P < 0.05 inoreva here kuti mhedzisiro yacho inokosha?
0.05 ichokwadi chete, kwete pamutemo.Inoreva kuti 5% yechokwadi inogona kuitika. Zvinoenderana nenyaya yauri kuongorora uye nemari yaunenge uchida kubhadharisa kuti uone kuti uri kuda kuongororwa, zvinokurudzirwa kuti uise 0.01 senzira yekuongorora.
Ndinogona sei kushandura z-score kuita p-value?
Chii chinonzi standard-normal distribution?
Chii chinoita kuti fungidziro yekuti pane chokwadi chakanaka chiwedzere kunyatsoshanda?
Hapana. A zhinji p-mutengo zvinoreva chete data rako rinoenderana ne null hypothesis, kwete kuti null inoratidza. Kushaya chokwadi pamusoro yake hachisi chokwadi kwairi; unogona chete kushaya sample size kuongorora mhedzisiro.
Ndiani anofanira kushandisa z-based p-value sezvaanofanira kushandisa t-based p-value?
Kana iwe uchida kuongorora kuti ndeipi nhamba inonyanya kuzivikanwa, shandisa z-based value. Kana iwe uchida kuongorora kuti ndeipi nhamba inonyanya kuzivikanwa, shandisa z-based value. Kana iwe uchida kuongorora kuti ndeipi nhamba inonyanya kuzivikanwa, shandisa z-based value.
Chii chinonzi chiyero chekuenzanisa pakati pep-value nechiyero chekuenzanisa?
The significance level α is a threshold you set in advance, such as 0. 05. The p- value is calculated from your data. You reject the null hypothesis when the p- value falls below α.
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/p-value/curl
curl "https://calculator.free/api/v1/p-value/?z=1.96&tail=two"JavaScript fetch()
const r = await fetch(
"https://calculator.free/api/v1/p-value/?" + new URLSearchParams({
"z": "1.96",
"tail": "two"
}));
const data = await r.json();
console.log(data.results);Zviratidzo zvemubvunzo ndezvekufungidzira kwechinangwa chekudzidzisa chete, kwete zvemari, zvehutano kana zvemari.