# SOC202H1 Lecture : Statistical analysis

## Document Summary

Sociological stories involve problems, ideas, concepts, theories, and associations or relationships. Attrition (when people drop out of the study, like when accidents happen or they changed their mind) Variation: the degree to which the measurements of a variable differ among study subjects. Data: systematically acquired information that is organized by following the procedures of science and statistics. Variable: measurable phenomena that vary (change) over time, differ from place to place, or across individuals. Statistical estimate: the report of a summary measurement based on systematic sampling and precise measurements and reported with known degrees of error and confidence. Guesstimate: a summary measurement based on limited and often subjective experience, anecdotes, or casual observations. Descriptive statistics: shows how many observations were recorded and how frequently each score or - category of observations occurred. Frequency: number of observations or cases for each value. Proportion: part of the total or number of observations, expressed in decimal form;