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 3
Univariate Descriptive Statistics
Abstract
This chapter discusses the main concepts of univariate descriptive statistics. Through tables, charts, and/or summary measures, it is possible to describe the behavior of each type of variable. Frequency distribution tables represent the frequency in which a set of data occurs. Charts can be used to represent the distribution of the variable. Summary measures are subdivided into measures of position or location (central trend and quantiles), measures of dispersion or variability, and measures of shape (skewness and kurtosis). Measures of position can be used to represent a dataset, while measures of dispersion can be used to calculate the variability of a dataset. Conversely, measures of ...
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