April 2019
Beginner to intermediate
1240 pages
45h 43m
English
Content preview from Data Science for Business and Decision Making
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Chapter 7
Sampling
Abstract
The objective of this chapter is to present the main sampling concepts and methods, characterizing the differences between a population and a sample. The main random and nonrandom sampling techniques are described here, as well as their advantages and disadvantages. Thus, it is possible to select the most suitable sampling technique for the study we are interested in. For each type of random sampling, we calculate the sample size based on accuracy and on the confidence level we are interested in having.
Keywords
Population; Sample; Sampling techniques; Random sampling; Nonrandom sampling; Sample size
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