/ Current GPA / data visualization techniques / Dialog Box / Directional Alternative Hypotheses / EDUCATION / Schools / Levels / Higher / Effect Size Indices / Frequency Polygon / GPA / Higher & further education, tertiary education / Higher education, tertiary education / introductory statistics for behavioral sciences / Left Tailed Test / Levene’s Test / Mann Whitney Wilcoxon Test / MATHEMATICS / Probability & Statistics / General / Nondirectional Alternative Hypothesis / normal curve analysis / Null Hypothesis / Percentile Rank / Post Hoc Power / Probability & statistics / Probability and statistics / Psychological methodology / PSYCHOLOGY / Research & Methodology / sampling distributions / Simple random sampling / t test applications / variance analysis methods