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1 2010

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Variation of the distribution of selected constructional and hydrogeological parametres of drilled wells

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Satora S. , Wałęga A.

Environment Protection Engineering

2010

tom Vol. 36, nr 2

31-37

The distribution of some selected constructional and hydrogeological parametres of drilled wells located in the Małopolska province is analysed. The type of satistical distribution determined the measure of location calculation method (e.g. average value, median). In the case of normal distributions or similar (lognormal distribution), the average as a measure of location is recommended, while in the case of asymmetrical ones - the median. Preliminary analysis indicates that if we assess the total of 112 statistical distributions of the parametres examined, 5 cases (4.5% of all) are normal distributions, and in 95.5% of the cases we deal with asymmetrical distributions. The current study aims to present empirical distribution of the elements examined and to find the method of location measurement.