The lower the pH reading, the more acidic the solution. Readings from 0â7 are considered acidic, and numbers from 7.0â14 are considered basic, or alkaline. Pure water, in the very middle of the (logarithmic) pH scale, has a pH of 7.0, which is considered neutral.
Bell curve may refer to: 1  A Gaussian function, a specific kind of function whose graph is a bell-shaped curve. 2  Normal (Gaussian) distribution, whose density function is a Gaussian function.ell curve may refer to: 1  A Gaussian function, a specific kind of function whose graph is a bell-shaped curve. 2  Normal (Gaussian) distribution, whose density function is a Gaussian function.
bell curve definition bell curves also called gaussian distributions and normal distributions are so called because the line resembles a bell the concept was pioneered by german mathematician johann carl friedrich gauss in 1809he peak of the bell curve refers to the most common result the average child with the highest scorers at the far right of the bell curve and the lowest scorers at the far left of the bell curve