SOCY 211 Lecture Notes - Lecture 7: Type I And Type Ii Errors, Null Hypothesis, Statistical Hypothesis Testing

• School: Queen's University
• Department: Social Sci, Edu and Soc Work - Sociology
• Course: SOCY 211
• Professor: William Nelson

Document Summary

6. 1 "test scores" and error rates: hypothesis testing. Establish your null distribution and test statistic. Conduct the statistical test: decide on a significant threshold under the null hypothesis. This is called the a-value: calculate the probability of your sample mean under the null hypothesis. This is called the p-value: compare these two probabilities or test scores (t observed and t critical) If p a or t(o) t(c), then we reject the null hypothesis. If p > a or t(o) a or t(o)