Business Statistics 2
Introduction
Statistical observation is a formed primary statistical data, or initial statistical information, which is the basis of statistical research. If the collection of primary statistical data, or material mistake turned out to be bad quality, it will affect the accuracy and reliability of both theoretical and practical conclusions;
Summary and grouping of data - at this stage of the totality of shares on the basis of differences and combined on the basis of similarity calculated totals in groups and as a whole. Using the method of the phenomena groups depending from the essential features are divided into types,
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