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first and second steps in statistics
first and second steps in statistics second edition provides a clear and concise introduction to the main statistical procedures used in the psychological and social sciences . the rationale and procedure for analyzing data are presented through exciting examples with an emphasis on understanding rather than computation . it is ideally suited for introductory courses in statistics . in addition to descriptive statistics graphs t tests one way anovas chi square and simple linear regression this second edition includes factorial anova and multiple regression . emphasis is given to tests of median and other robust methods .