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SM ISO690:2012 LVOVSCHI, Nicolae. Studiul matematico-statistic a industriei Moldovei în profil teritorial. In: Buletinul INCERCOM, 2014, nr. 5, pp. 97-119. ISSN 1857-3762. |
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Buletinul INCERCOM | ||||||
Numărul 5 / 2014 / ISSN 1857-3762 | ||||||
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Pag. 97-119 | ||||||
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An attempt is made in this work to carry out an additional mathematical analysis of statistical data [ 6 ] about the situation in the industry of the Moldovan republic, represented in the Internet by the National Office of Statistics with the help of the computer. The visualstatistical analysis of data is given in the territorial structure. Regions and location points are situated in the decreasing order of the volume of industrial production and quality of life. The index of life quality is elaborated by the author. We have determined the locations with better and worse situation. The necessary hystograms have been built. The results of the preliminary analysis of statistical data are given. The computer hasn’t found ‘wild’ observations, and found out that the majority of data are distributed normally. The results of calculations are represented by hystograms. Further we have carried out multiple correlation and regression analysis of data. Two linear models have been built – one with all factors except VAR14, which is excluded, and another one with 8 basic factors, chosen according to the t-criterion Student (the decoding of factors is given). An attempt is made to build the sq.model and other non-linear models with these 8 independent variables for the dependent variable – volume of industrial production. |
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