Titlebook: Applied Statistics for Economics and Business; Durmu? ?zdemir Textbook 2016Latest edition Springer Nature Switzerland AG 2016 Applied Stat

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Measures of Dispersion,ues do not say very much about the data itself and how it is dispersed (its spread). For instance, it is possible to take two separate sets of data with the same mean, but with great differences in distribution.

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Index Numbers,entioned the difficulty of using two different measures. A similar difficulty may appear in the case of changes in economic, business and social variables over time. Index numbers can solve this problem by providing a simple summary of change by aggregating the information available and making a com

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Inequality Indices,large inequalities tend to offend our senses. We will learn a method to describe and measure an inequality, which is a distributional inequality. We will focus on two types of measures; the Lorenz curve and the Gini coefficient.

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Probability,data or to know where the data can be found and describe it. Statistical inference involves drawing conclusions about a population from a sample of data, which is obtained from a population. If we want to understand sampling procedures and implications for statistical inference firstly probability t