QMS 102 Lecture Notes - Lecture 1: Level Of Measurement

• School: Ryerson University
• Department: Quantitative Methods
• Course: QMS 102
• Professor: Nursel Ruzgar

Document Summary

Statistics is a way to get information from data. Data: facts, numerical facts, collected together for reference or info. The entire set of all items under study very large frequency - sometimes infinite. Descriptive: involves the arrangement, summary, and presentation of data; enables meaningful interpretation and support decision making. Describes that data that"s being analyzed but doesn"t allow us to draw any conclusions or make inferences. Method used depends on what informationwe would like to extract. Descriptive: involves the arrangement, summary, and presentation of data; enables meaningful interpretation and. Describes that data that"s being analyzed but doesn"t allow us to draw any conclusions or make. Set of methods of organizing, summarizing, and presenting data in a convenient and informative way. Set of methods, but is used to draw conclusionsor inferencesabout characterises of populationsbased on data from a sample. Numerical (quantitative): variables have values that represent quantities. Nominal data: counting the number of observation in each category.