busbars can have a cross sectional area of as little as 10 square millimetres 0 016 sq in but electrical substations may use metal tubes 50 millimetres 2 0 in in diameter 20 square millimetres 0 031 sq in or more as busbars
IQ bell curve. Standardized IQ tests are designed so that the exact average (mean) IQ score in the general population is 100. An âaverage IQ scoreâ or ânormal IQ scoreâ can be defined as a score between 85 and 115. 68% of people score between 85 and 115. The Mensa qualifying IQ score is a score that puts you in the top 2% of the population in a bell curve like this one. The Mensa qualifying score is 130 or higher, as shown below.
A: The average American IQ ranges between 90 and 100. Individuals with IQ scores between 160 and 165 are considered extraordinary geniuses, and those with scores of 145 to 179 are considered geniuses. A score of 115 to 144 is considered above average, and scores between 85 and 114 are considered average. Continue Reading