Binge drinking A national study found that 44% of college students engage in binge drinking (5 drinks at a sitting for men, 4 for women). Use the 689599.7 Rule to describe the sampling distribution model for the proportion of students in a randomly selected group of 200 college students who engage in binge drinking. Do you think the appropriate conditions are met?

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