Welkowitz, Joan. <br/><br/>
Introductory statistics for the behavioral sciences / 
Joan Welkowitz, Robert B. Ewen, Jacob Cohen 
 - 5th ed 
 - Fort Worth :  Harcourt Brace College Publishers,  c2000 
 - xvii, 359 p. :  illus ;  24 cm. 
<br/><br/>Introduction - - Frequency distributions and graphs - - Transformed scores I: Percentiles - - Measures of central tendency - - Measures of variability - - Transformed scores II: Z and T scores - - Additional techniques for describing batches of data - - The general strategy of inferential statistics - - The normal curve model - - Inferences about the mean of a single population - - Testing hypotheses about the difference between the means of two populations - - Linear correlation and prediction - - Other correlational techniques - - Introduction to power analysis - - One-way analysis of variance - - Introduction to factorial design: two-way analysis of variance - - Chi Square - - Nonparametric and distribution-free methods - - Conclusion 
<br/><br/><label>ISBN: </label>0155052055 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Statistical methods.<br/>Psychometrics.<br/>Sociology--Statistical methods.<br/>Education--Statistical methods.
<br/><br/><label>Dewey Class. No.: </label>519.5  / W446I