糖心vlog官网观看

In Week 5, you'll learn all about two-sample comparisons. You will calculate confidence intervals related to and hypothesis tests involving the comparison of means, comparison of variances, and comparison of binomial proportions. The type of test that is performed depends on whether variance is known or unknown, which you will also explore. Week 5 has 7 screencasts with many in-video questions to test your understanding of the material and help you learn. The week concludes with Assignment 5. When you are ready, you must pass Quiz 5 in order to continue in the course. You will also want to pay close attention to the Week 5 Cheat Sheet (available to learners who purchase a Course Certificate) as this will serve as a great reference for Assignment 5 and Quiz 5. When you are ready, you must pass the Week 5 Graded Quiz in order to access the Week 6 Starter Files and Cheat Sheet. You will need access to these items in order to complete Module 6. Quiz 5 requires you to perform statistical calculations in R, so be sure to prepare accordingly.