﻿[Script Info] Title: [Events] Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text Dialogue: 0,0:00:00.05,0:00:04.84,Default,,0000,0000,0000,,Acesta este un tabel -t care se aplica\Nestimatorilor statistici Dialogue: 0,0:00:04.84,0:00:09.29,Default,,0000,0000,0000,,cu esantioane mai putine decat 30.\N Dialogue: 0,0:00:09.29,0:00:13.59,Default,,0000,0000,0000,,Pe partea stanga se regaseste gradul de\Nlibertate care e egal cu numarul de esantion Dialogue: 0,0:00:13.59,0:00:17.91,Default,,0000,0000,0000,,minus 1. Daca avem 10 esantioane ar fi 9.\N Dialogue: 0,0:00:17.91,0:00:18.91,Default,,0000,0000,0000,,daca avem 15 esantioane atunci 14.Sus\Napare 1 minus interval de incredere Dialogue: 0,0:00:18.91,0:00:24.95,Default,,0000,0000,0000,,Astfel daca gradul de siguranta este 95%\Najungem la 0.05. Daca Dialogue: 0,0:00:24.95,0:00:29.90,Default,,0000,0000,0000,,vrem grad de siguranta de 98%, ajungem\Nla 0.02. Aici apare o distinctie minora. Dialogue: 0,0:00:29.90,0:00:34.72,Default,,0000,0000,0000,,Exista unilateral si bilateral. Pana acum Dialogue: 0,0:00:34.72,0:00:39.58,Default,,0000,0000,0000,,am vorbit despre bilateral, la care se \Nse elimina regiunea critica din stanga Dialogue: 0,0:00:39.58,0:00:44.78,Default,,0000,0000,0000,,si dreapta intervalului de incredere.\NAcestea sunt ocazii, de care vom Dialogue: 0,0:00:44.78,0:00:49.99,Default,,0000,0000,0000,,vorbi mai tarziu, cand va trebui sa\Neliminam doar o parte. Dialogue: 0,0:00:49.99,0:00:53.13,Default,,0000,0000,0000,,Acestea apar des in contextul testarii Dialogue: 0,0:00:55.23,0:00:57.46,Default,,0000,0000,0000,,ipotezelor. Acum, va uitati doar dupa Dialogue: 0,0:00:57.46,0:01:00.69,Default,,0000,0000,0000,,numarul bilateral aici. Si ignorati toate Dialogue: 0,0:01:00.69,0:01:03.64,Default,,0000,0000,0000,,numerele unilaterale din acest tabel. OK? Dialogue: 0,0:01:03.64,0:01:08.51,Default,,0000,0000,0000,,Ca sa ma asigur ca stiti cum\Nsa cititi acest tabel: Dialogue: 0,0:01:08.51,0:01:09.72,Default,,0000,0000,0000,,Sa presupunem ca avem n=8\Nesantioane si ne uitam Dialogue: 0,0:01:09.72,0:01:14.15,Default,,0000,0000,0000,,la un interval de incredere de 90%.\N Dialogue: 0,0:01:14.15,0:01:16.39,Default,,0000,0000,0000,,Care ar fi numarul magic din tabel?