ESS210B
Prof. Jin-Yi Yu
An Example of Normal Distribution
qIf we repeatedly draw a sample of N values from a population and calculate the mean of that sample, the distribution of sample means tends to be in normal distribution.
Text Box: N=2
N=2
Text Box: N=10
N=10
1000 random numbers
(Figure from Panofsky and Brier 1968)
non-normal distribution