The study of a population, a process or a relationship of interest begins with collecting relevant data from representative samples. A good understanding of the key terms will help us design appropriate statistical analysis of the collected data.

Learning Objectives:

• Distinguish between the terms – population, parameter, sample, statistics, and other key terms.

• Distinguish between different types of statistical studies – observational, experimental, retrospective or prospective

• Learn about different levels of measurement, data types, and variables

• Learn about different ways of collecting data – Sampling Methods and Experiments

• Identify sources of measurement bias and variability

Textbook Material: Chapter 1, Sampling & Data

Suggested Homework Assignment

Chapter 1 – Pages 47 – 60 - Problems 42 to 62, 65, 67, 73, 74, 75, 78, 87, 91