CHYS 3P15 Lecture Notes - Lecture 7: Null Hypothesis, Type I And Type Ii Errors, Alternative Hypothesis

• School: Brock University
• Department: Child and Youth Studies
• Course: CHYS 3P15
• Professor: Patricia Kirkpatrick

Document Summary

3p15, feb 26, lecture 7 (skipped week 6, that week was the midterm) Testing hypotheses between a sample and a population. Learning objectives: this chapter will introduce ways to build and test hypotheses. Topics will include null and research hypotheses; hypothesis testing with one large sample and a population; hypothesis testing with one small sample and a population. What"s a hypothesis? (cont"d: for two interval/ratio or ordinal level measures: the greater the x (iv), the greater/less the y (dv), research example: among protestants, the greater the education, the greater the income. Null: there is no relationship between education and income among protestants. What"s a hypothesis? (cont"d: for one categorical and one continuous measure: category x1 (iv1) will have a higher/lower score on y (dv) than category x2 (iv2), research example: males will have higher educational attainment than females. Null: males will not have higher educational attainment than females.