Western University (Ontario)  Also known as University of Western Ontario
Statistics in Sociology
SOCIOLOGY 2205

Fall 2016
Statistics 2205 Textbook Chapter 6 Notes
Estimation Procedures
6.1 Introduction
There are 2 kind of estimation procedures
1) Point estimate: a sample statistic that is used to estimate a population
value
2) Confidence intervals: a frequency used alternat
Western University (Ontario)  Also known as University of Western Ontario
Statistics in Sociology
SOCIOLOGY 2205

Fall 2016
Statistics 2205 Textbook Chapter 2 Notes
Basic Descriptive Statistics: Percentages, Ratios and Rates, Tables, Charts, and Graphs
2.1 Percentages and Proportions
Percentages and proportions supply a frame of reference for reporting
research results in the
Western University (Ontario)  Also known as University of Western Ontario
Statistics in Sociology
SOCIOLOGY 2205

Fall 2016
Statistics 2205 Textbook Chapter 5 Notes
Introduction to Inferential Statistics: Sampling and the Sampling Distribution
5.1 Introduction
A major problem we often face in social science research is that the
populations in which we are interested are too l
Western University (Ontario)  Also known as University of Western Ontario
Statistics in Sociology
SOCIOLOGY 2205

Fall 2016
1
Statistics 2205 Textbook Chapter 1 Notes
1.1 Why study statistics?
Research: any process by which information is systematically and carefully
gathered for the purpose of examining ideas, or testing theories
Data: numerical information
o Sole purpose o
Western University (Ontario)  Also known as University of Western Ontario
Statistics in Sociology
SOCIOLOGY 2205

Fall 2016
Statistics 2205 Textbook Chapter 3 Notes
Measures of Central Tendency and Dispersion
3.1 Introduction
One clear benefit of frequency distributions, graphs, and charts is that they
summarize the overall shape of a distribution of scores in a way that can
Western University (Ontario)  Also known as University of Western Ontario
Statistics in Sociology
SOCIOLOGY 2205

Fall 2016
Statistics 2205 Textbook Chapter 4 Notes
The Normal Curve
4.1 Introduction
Normal curve: a theoretical distribution of scores that is symmetrical,
unimodal, and bell shaped. The standard normal curve always has a mean of
0 and a standard deviation of 1.