ECON 2500 Lecture Notes - Lecture 1: Descriptive Statistics, Attentional Blink, Girl Scout Cookies
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Econ 2500 lecture 1 notes the science of statistics and types of statistical. Statistics means numerical descriptions to most people: monthly housing starts, the failure rate of liver transplants, and the proportion of african- Americans who feel brutalized by local police all represent statistical descriptions of large sets of data collected on some phenomenon: often the data are selected from some larger set of data whose characteristics we wish to estimate. Inferential statistics utilizes sample data to make estimates, decisions, predictions, or other generalizations about a larger set of data: florence nightingale (1820 1910, the passionate statistician. Statistician: although we"ll discuss both descriptive and inferential statistics in the chapters that follow, the primary theme of the text is inference, let"s begin by examining some studies that illustrate applications of statistics, study 1. 1. Does playing video games make for better visual attention skills? : journal of articles in support of the null hypothesis, vol.
