Shoot to score, hat trick Returning to the results of Exercise 2, write a sentence to explain the meaning of the standard error of the slope of the regression line, SE(b1) = 0.0053.
Chapter 1 & 2: Intro to Stat, Organization & Description of Data 13 September 2016 Basic Stat for Research Professor HK Dong Wendy Liu Statistics – collecting, summarizing, interpreting data and then drawing conclusions Objectives of Statistics 1. Make inferences about a population by analyzing info from a sample a. Includes assessing the extent of uncertainty involved in these inferences 2. Design the process and extent of sampling so that the sample is representative of the population, and thus inferences are valid Inferential statistics – evaluate info present in data, assess the new learning gained from this info Descriptive statistics – summarize and describe prominent features of data: 3 S’s Shape o Normal – symmetric, bell shape