Descriptive Statistics I: Univariate Statistics
Abstract
This chapter provides a general introduction to the field of statistics. The difference between descriptive and inferential statistics is outlined, and the four different types of statistical data are introduced: categorical, ranked, discrete, and continuous. The distinction between univariate, bivariate, and multivariate statistics is also made. The rest of the chapter focuses on univariate descriptive statistics. Visualization techniques are introduced such as the dotplot, histogram, and bar chart. Three different measures of central tendency are described (mean, median, and mode), and the situations in which each is applicable are made clear. Similarly, two measures ...
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