If you'd like to test and apply your knowledge of the material in Week 4 with a few questions, click the link below. Note: this is not a requirement in order to continue studying, or to complete the course.
Complete the Week 4 quiz [Tip: hold Ctrl and click a link to open it in a new tab. (Hide tip)] here.
Open the quiz in a new window or tab then come back here when you’re done.