STAB22H3 Chapter Notes - Chapter 1-2: Categorical Variable

• School: UTSC
• Department: Statistics
• Course: STAB22H3
• Professor: Mahinda Samarakoon

Document Summary

Chapter 1: stats starts here designed to help understand the world: statistics: ways of reasoning, along with a collection of tools and methods, statistics are particular calculations made from data, data: values/ numbers along with context, statistics is all about variation, three steps to doing statistics right: think, show, tell. Chapter 2: data: the 5w"s: who, what, when, where, why, how", data is meaningless w/o who & what, who ~cases, rows of data table correspond to individual case (rows=record in data table, people who answer survey=respondents, people experimented on =subjects/participants, other inanimate objects = experimental units.