KP390 Lecture Notes - Lecture 1: Statistical Inference, Descriptive Statistics, Dependent And Independent Variables
Document Summary
Set of tools and techniques that is used for describing, organizing, and interpreting information or data. Study on prevention of birth defects through vitamin supplementation. 4753 women enrolled and randomly assigned to two hoops. Supplement with 0. 8mg of folic acid or regular supplements. Rate of both defects was 13 per 1000 in treatment group vs 23 per 1000 in control group. Study of the e ects of home visits to frail seniors. Rate of in uenza vaccination 90% in treatment group and 53% in control group. Need to make conclusions from out data that can be generalized. Does more practice lead to greater skill. Deals with inferring characteristics of populations from characteristics of samples. Set of actual observations, subset of a population. Complete set of events in which you are interested. Ex: tell me if this is a sample type of data or a population type of data. Measure eye colour for all students in kp262.
