Does the empirical rule (aka 68-95-99.7 rule) only apply to normal distribution or is it true for skewed data as well?
My guess is yes, because the standard deviation is differnt between normally distributed data and skewed data.
Does the empirical rule (aka 68-95-99.7 rule) only apply to normal distribution or is it true for skewed data as well?
My guess is yes, because the standard deviation is differnt between normally distributed data and skewed data.