A probability function for heart rate is determined using collected and measured heart rate values. The invention is characterized in that the wedge element is provided with at least one connecting element towards the side of a blade and that at least one of the two blades adjoining the wedge element is provided with a counter-contour corresponding to the connecting element, so that the wedge element and the blade enter into an intimate shape-mated connection with each other. The invention further relates to corn seeds and plants produced by crossing plants of variety CV774864 with plants of another variety, such as another inbred line. The standard information and the specific information are then integrated on a server computer and transmitted to the potential buyer.