1. t statistic? p value? reject or fail to reject?
2. what can we conclude the amount of sleep depressed and non depressed do these people get
3. decision on homogeneity of variance test
4. are the assumptions of homogeneity of variance met

Independent Samples T-Test Independent Samples T-Test Statistic df P Hours Student's t 2.35 24.0 0.027 Assumptions Homogeneity of Variances Test (Levene's) F df df2 p Hours 1.11 1 24 0.302 Note. A low p-value suggests a violation of the assumption of equal variances [3] Group Descriptives Group N Mean Median SD SE Hours Depressed 13 7.54 8.00 1.45 0.402 Non-depressed 13 6.08 7.00 1.71 0.473