SOAN 3120 Study Guide - Exploratory Data Analysis, Pie Chart, Standard Deviation

• School: University of Guelph
• Department: Sociology and Anthropology
• Course: SOAN 3120
• Professor: Michelle Dumas

Document Summary

Data analysis describing data using graphs and numerical summaries. The purpose of exploratory data analysis is to help us see and understand the most important features of a set of data. Part i summary: data, identify the individuals and variables in a set of data, identify each variable as categorical or quantitative. Assess whether the distribution has one or more major peaks: describe the overall pattern by giving numerical measures of center and spread in addition to a verbal description of shape. Interpret z-scores and understand that any normal distribution because the standard normal. 2: make a scatterplot to display the relationship between two quantitative variables measured on the same subjects. Place the explanatory variable on the horizontal scale of the plot: add a categorical variable to the scatterplot by using different plotting symbol or colour, describe the direction, form and strength of the overall pattern of a scatterplot.