eConcordia - Final Exam - Stat x psych 315 practice exam.docx x + Quiz/attempt.aspx?Quizid=5257&Started=true ncordia - My e... f (2) Facebook Instagram N Netflix > Disney+ | Movies... MyFitnessOnTheGo 15 Fitness on the Go.. Remaining: 02:23:34 Save Last saved on: December 15, 2021 9:18 AM SU Question 14: $ 2 (1 Point) I can compute 5 m - mz only if O sample sizes are different and sample variances are different sample sizes are the same and sample variances are the same O sample sizes are the same and population variances are assumed to be different sample sizes are the same and population variances are assumed to be the same