If your broker or investment advisor is not familiar with the concept of standard deviation of returns, get a new one. — William J. Bernstein Copy Share Image
“For all live births, the mean pregnancy length is 38.6 weeks, the standard deviation is 2.7 weeks, which means we should expect… — Allen B. Downey Copy Share Image
"Risk means more things can happen than will happen." It is not standard deviation. It is not variability. It is this sense… — Elroy Dimson Copy Share Image
“I took a course at Cal once called Statistical Analysis. And there was a guy in the course who used to make… — Mort Sahl Copy Share Image
Conclusions I. A curve has been found representing the frequency distribution of standard deviations of samples drawn from a normal population. II.… — William Sealy Gosset Copy Share Image
