Evaluating the effectiveness of marketing activities of coal mines

The analysis of the dynamics of marketing performance of coal mining enterprises of Ukraine is made: coal production; volumes of finished, salable coal production and sales; coal remains of warehouses coal enterprises; production costs and the price of 1 ton of marketable coal products; unprofitability of coal; the amount of costs for the organization of sales activity. The coefficients of variation of volumes of finished, salable coal production, sales the State Enterprise ?Selidovugol? and coal remains of warehouses are calculated. On the basis of the use of Spearman's rank correlation coefficient the tightness and direction of correlation between the two indices are defined: salable products the State Enterprise ?Selidovugol? and coal residue, ready for shipment; production costs and the price of marketable coal products; the total cost and the cost of the organization of marketing activities.