CompTIA Strata *In the event that you fail your first (1st) attempt to pass any CompTIA certification examination, CompTIA does not require any waiting period between the first (1st) and second (2nd) attempt to pass such examination.
See normal distribution for the bell curve in statistics. The Bell Curve is a controversial, best-selling 1994 book by Richard J. Herrnstein and Charles Murray exploring the role of intelligence in American life. The authors became notorious for the book's discussion of race and intelligence in Chapters 13 and 14.
Definition: The term bell curve is used to describe the mathematical concept called normal distribution, sometimes referred to as Gaussian distribution. âBell curveâ refers to the shape that is created when a line is plotted using the data points for an item that meets the criteria of ânormal distributionâ.he important things to note about a normal distribution is the curve is concentrated in the center and decreases on either side. This is significant in that the data has less of a tendency to produce unusually extreme values, called outliers, as compared to other distributions.