what does it mean that intelligence is normally distributed
1 IQ test scores are normally distributed with a mean of 100. 2  Horse race time is found to be normally distributed with a mean value of 10 minutes and a standard deviation. 3  Truck tire life is normally distributed with a mean of 60,000 miles and a standard deviation of 4,000 miles.4  What is. Horse race time is found to be normally distributed with a mean value of 10 minutes and a standard deviation. 2  Truck tire life is normally distributed with a mean of 60,000 miles and a standard deviation of 4,000 miles. 3  What is. 4  To qualify for letter sorting, applicants are given a speed-reading test.