Independent Samples T-Test Statistic df p Mean difference SE difference Effect Size ExamScore Student's t 9.85 40.0 Independent Samples T-Test ExamScore Student's t Statistic 9.85

Independent Samples T-Test Statistic df p Mean difference SE difference Effect Size ExamScore Student's t 9.85 40.0 <.001 cohen d assumptions normality test w p examscore note. a low p-value suggests violation of the assumption homogeneity variances f df df2 equal group descriptives n mean median sd se goaltheory arousaltheory answer following questions based on your t-test calculations: . what are values for each theory means and standard deviations mean: sd: is degrees freedom t-value which did better exam score="better" grade how do you know this in other words numbers look at to determine>

Independent Samples T-Test ExamScore Student's t Statistic 9.85 df 40.0 p < .001 0.304 Mean difference 29.2 SD 8.53 10.7 SE difference 2.96 SE 1.74 2.51 Cohen's d Effect Size 3.07 Assumptions Normality Test (Shapiro-Wilk) ExamScore w 0.977 0.539 Note. A low p-value suggests a violation of the assumption of normality Homogeneity of Variances Test (Levene's) df ExamScore 1.08 df2 40 Note. A low p-value suggests a violation of the assumption of equal variances Group Descriptives ExamScore Group GoalTheory ArousalTheory 24 18 Mean 88.9 59.7 Median 890 620