The heights of the students in a New York college were found to follow a normal distribution, with a mean of 170 centimeters and a standard deviation of 5 centimeters. Which range of values contains 95% of the data?
In any normal distribution, about 95% of it lies within two standard deviations of the mean. So the range would be approximately [tex](170-2\times5,170+2\times5)=(160,180)[/tex].
