Hypothesis testing Part 1

Hypothesis testing Part 1 - 2/28/2008 1 Hypothesis Testing...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 2/28/2008 1 Hypothesis Testing Hypothesis Testing Part 1 Reading Assignment: Chapter 8 Overview Overview Definition x In statistics, a hypothesis is a claim or statement about a property of a population. x A hypothesis test (or test of significance) is a standard procedure for testing a claim about a property of a population. Rare Event Rule for Rare Event Rule for Inferential Statistics Inferential Statistics If, under a given assumption, the probability of a particular observed event is exceptionally small, we conclude that the assumption is probably not correct. 2/28/2008 2 Components of a Components of a Formal Hypothesis Formal Hypothesis Test Test Null Hypothesis: Null Hypothesis: H x The null hypothesis includes the assumed value of the population parameter. x It must be a statement of equality. x Test the Null Hypothesis directly x Reject H or fail to reject H Alternative Hypothesis: Alternative Hypothesis: H 1 x The alternative hypothesis (denoted by H 1 or H a ) is the statement that the parameter has a value that somehow differs from the null hypothesis. x , <, > 2/28/2008 3 Note about Forming Your Note about Forming Your Own Claims (Hypotheses) Own Claims (Hypotheses) If you are conducting a study and want to use a hypothesis test to support your claim, the claim must be worded so that it becomes the alternative hypothesis.alternative hypothesis....
View Full Document

This note was uploaded on 04/20/2008 for the course BER 345 taught by Professor Moore during the Spring '08 term at Alabama.

Page1 / 9

Hypothesis testing Part 1 - 2/28/2008 1 Hypothesis Testing...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online