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Metody analizy szeregów czasowych w porównaniu wyników testu koniunktury w budownictwie IRG i danych ilościowych GUS-u

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Jędryka A., Kieloch K.
Prace i Materiały Instytutu Rozwoju Gospodarczego SGH
|
1999
|
vol. 63
185-195
EN
The purpose of this paper is to compare the results of studies on business situation in the coustruction industry, madę by Research Institute of Economic Development of Warsaw School of Economies, with the processes occurring in reality. In order to make the comparison between these two categories classical statistical methods are applied. For every pair of variables, "qualitative variable” (the result of the sumy dealt by Research Institute) and "quantitative variable” (macroeconomic factors published by GUS), we count mean, variance and correlation coefficient, we also built regression function and statistical indices. We also used statistical test to prove if coefficients are statistically significant. Results suggest that there is a strong correlation between two of the variables at least.
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