Definition: Infermedian is a mathematical concept in statistics, which refers to a point on a graph or curve where the slope of the line connecting two points is zero. In other words, it's a point at which the line joining two points on a graph has a vertical intercept equal to zero. For example, if you have a data set that includes points (x1, y1), (x2, y2), ..., (xn, yn) and you want to find an infimum