COMM 217 Chapter 1: CHAPTER 1 THE WHERE WHY AND HOW OF DATA COLLECTION.docx

• School: Concordia University
• Department: Commerce
• Course: COMM 217
• Professor: Fassil Nebebe

Document Summary

Chapter 1: the where, why, and how of data collection. Learning objectives: know the key data collection methods, know the difference between a population and a sample, understand the similarities between different sampling methods, understand how to categorize data by type and level of measurement. A collection of procedures and techniques used to convert data into meaningful information in a business environment. Descriptive statistics: procedures and techniques designed to describe data. Descriptive procedures: charts and graphs, numerical measures (averages, means, mediums, etc. ) Inferential procedures: estimation (e. g. estimate the population mean weight using the sample mean weight, hypothesis testing (use the sample evidence to test the claim of the population mean) Data collection techniques: experiments, a process that produces a single outcome whose result cannot be predicted with certainty, experimental design. A plan for performing an experiment in which the variable of interest is defined: telephone surveys, major steps for a telephone survey, define the issue.