Mat130 Chapter 9 Hypothesis Testing

Summary

So you obtain a sample size of 20 xbar is 70.1 the sample standard deviation is 18.5 what is the ... answer from um so now we're going to run a Okay so before we actually go over those problems let's kind of um get into what the idea behind a a Course materials just to show you where i'm getting this from this is This video explains the basics of Okay so we have this question here one second get my pen up and running go it says This statistics video tutorial provides a basic introduction into Okay this is number four uh same same kind of idea except now our Alpha level is 02 that's a very very uh confident So then if the P is low we're going to reject the null Okay so we're just gonna go to our calculator very good stat you're doing one prop Z ... stat we're gonna conduct a t- ... use stat vanilla stat tests the one prop Z test looking for the population proportion a