When Bob went to bed it was -3 degrees outside. When he wok up it was 12 degrees outside. What was the temperature change overnight?

21 is the answer the answer is 21

Ifound this on google “a skewed (non-symmetric) distribution is a distribution in which there is no such mirror-imaging. a "skewed right" distribution is one in which the tail is on the right side. a "skewed left" distribution is one in which the tail is on the left side. the above histogram is for a distribution that is skewed right.” i hope this you for what your looking for