(Formerly numbered 201A.) Lecture, three hours; discussion, one hour; laboratory, one hour. Requisites: course 100, or 200A and 200B. Designed for master's and doctoral students in fields outside biostatistics. Topics in linear regression and other related methods. When and how to use linear regression and related methods and how to properly interpret results. Heavy emphasis on practical application as opposed to theoretical development. S/U or letter grading.