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.
The Role of Intelligence in Modern Society. Last year, Richard Herrnstein and Charles Murray published The Bell Curve: Intelligence and Class Structure in American Life. Although it had more graphs than a Ross Perot speech, The Bell Curve made its authors' names household words, sometimes accompanied by four-letter words.