Hypothesis Testing
Hypothesis testing involves making claims about a population, such as the null hypothesis assumption and testing against sample data. Learn about examples of testing drug effectiveness and student heights in Ireland.
Download Presentation
Please find below an Image/Link to download the presentation.
The content on the website is provided AS IS for your information and personal use only. It may not be sold, licensed, or shared on other websites without obtaining consent from the author.If you encounter any issues during the download, it is possible that the publisher has removed the file from their server.
You are allowed to download the files provided on this website for personal or commercial use, subject to the condition that they are used lawfully. All files are the property of their respective owners.
The content on the website is provided AS IS for your information and personal use only. It may not be sold, licensed, or shared on other websites without obtaining consent from the author.
E N D
Presentation Transcript
Hypothesis Testing Making claims about a population Null Hypothesis: The Null hypothesis, denoted by H0 is a statement about a population. We assume this statement is true until proven otherwise.
A Claim CLAIM (H0) : The new drug relieves migraine 70% of the time. SAMPLE: A newspaper investigates this claim by getting migraine sufferers to try the new drug. They get 100 results that say it relieves migraine 62% of the time. ? ???= ??% Fail to Reject MARGIN OF ERROR: 70% TEST : 52% 62% 72% Using Sample Proportion P
A Claim CLAIM (H0) : 30% of second level students in Ireland are 180cm or taller. SAMPLE: Of the 200 students in the C@S sample, 34 are 180cm or taller. Is this sufficient evidence to reject the teacher s claim, at the 5% level of significance? ? ???= ?% Reject MARGIN OF ERROR: ?? ???= ??% ??? ????? ?? ?????? 30% TEST: 10% 17% 24% Using Sample Proportion P
