Explaining Psychological StatisticsThis comprehensive graduate-level statistics text is aimed at students with a minimal background in the area or those who are wary of the subject matter. The new edition of this successful text will continue to offer students a lively and engaging introduction to the field, provide comprehensive coverage of the material, and will also include examples and exercises using common statistical software packages (SPSS). |
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05 level alpha average axis calculated Chapter class interval confidence interval correlation corresponding critical value described difference digits divided effect effect size equal estimate example Exercise experiment experimental F ratio Figure Formula frequency distribution frequency polygon graph heart rate height hypothesis testing inches kurtosis larger linear LLD women look matched t test measure median n₁ normal distribution null hypothesis distribution null hypothesis testing one-sample t test one-way ANOVA outliers participants percentage percentile rank pooled-variances population mean population variance predicted probability proportion random sample randomly raw score regression reject the null sample mean sample size sample sizes sample variances sampling distribution SAT scores scale Section selected separate-variances skewed spam square root standard error statistical significance subtract summation sign Table A.1 tion two-group two-tailed test Type I errors unbiased variable vitamin X₁ z score zero ΣΧ