Selective method to statistics

Selective observation refers to non-continuous observation. At the heart of this observation is the idea that a randomly selected part of the units can represent the entire population of the phenomenon under study according to the characteristics of interest. The purpose of sampling observation is to obtain information for determining the summary generalizing characteristics of […]


Delivery of goods is understood as the transfer of goods by the seller to the possession of the buyer in accordance with the terms of the contract of sale. As a result of such a transfer, the buyer is able to exercise full control over the goods. Delivery of the goods to the carrier is […]