7.2 Finding critical values Flashcards
What is the critical region?
» A region where the probability distribution which, if the test statistic falls within it, would cause you to reject the null hypothesis
What is the critical value?
» The first value to fall inside of the critical region
What is the acceptance region?
» Where we accept the null hypothesis
What is the actual significance level of the test?
» Probability of incorrectly rejecting the null hypothesis
What are the steps of doing a full tailed hypothesis test?
» Define test statistic X - stating is distrubtion and parameter p
» Write null and alternative hypothesis
» Determine probability of observed statistic, assuming null hypo is true
» 2 Part conclusion :
- Do we reject hypothesis or no?
- CONTEXT
What is the observed value or more extreme?
» Known as the p - value
» Probability
What is the alternative method with critical regions?
» Define test statistic X - stating is distrubtion and parameter p
» Write null and alternative hypothesis
» Determine critical region - By find which test stastic is less then significance value
» 2 Part conclusion :
- Do we reject hypothesis or no?
- CONTEXT