An IQ test score is calculated based on a norm group with an average score of 100 and a standard deviation of 15. The standard deviation is a measure of spread, in this case of IQ scores.A standard devation of 15 means 68% of the norm group has scored between 85 (100 â 15) and 115 (100 + 15).In other words, 68% of the norm group has a score within one standard deviation of the average (100).n IQ test score is calculated based on a norm group with an average score of 100 and a standard deviation of 15. The standard deviation is a measure of spread, in this case of IQ scores.
Report Abuse. David Man's (Dennis Weaver) car: 1971 Plymouth Valiant The Truck Driver (Cary Loftin): 1955 Peterbilt 281 Information: In the DVD documentary, Steven Spielberg observes that the fear of the unknown is perhaps the greatest fear of all and that Duel plays heavily to that fear.
Road rage possibly behind car crash into biker. June 3, 2015, 12:35 AM|Los Angeles police are investigating a possible road rage incident that left motorcyclist Samuel Ayres with broken bones. A video that captured the incident shows Ayres criticizing the driver of a BMW who was talking on his phone while behind the wheel. Moments later, the motorcyclist says the car chased him down and crashed into him, causing Ayres to fly off his bike as the driver sped off. Gayle King reports.