Elementary statistics in social research : the essentials /
Jack Levin, James Alan Fox.
- 3rd ed.
- Boston : Allyn & Bacon, c2011.
- xii, 387 p. : ill. ; 24 cm.
Why the social researcher uses statistics -- Organizing the data -- Measures of central tendency -- Measures of variability -- Probability and the normal curve -- Samples and populations -- Testing differences between means -- Analysis of variance -- Nonparametric tests of significance -- Correlation -- Regression analysis -- Nonparametric measures of correlation -- Choosing statistical procedures for research problems.