That means that the majority of people have an IQ score between 85 and 115. 1  1 to 24: Profound mental disability. 2  25 to 39: Severe mental disability. 3  40 to 54: Moderate mental disability. 4  55 to 69: Mild mental disability. 5  70 to 84: Borderline mental disability. 6  85 to 114: Average intelligence. 7  115 to 129: Above average; bright.
(September 2015) (Learn how and when to remove this template message) In education, marking on a curve (BE) or grading on a curve (AE) (also referred to as curved grading, bell curving, or using grading curves) is a method of assigning grades designed to yield a Gaussian distribution curve among the students in a class.
During testing of a material sample, the stressÃ¢â¬âstrain curve is a graphical representation of the relationship between stress, derived from measuring the load applied on the sample, and strain, derived from measuring the deformation of the sample, i.e. elongation, compression, or distortion.