### Possible Answer

Statistics: lower fence and upper fence? Help with this Statistics problem (outliers)? What is the difference between an outlier and a serious outlier in Statistics? - read more

Lower and upper fences are used for determining outliers. They define the minimum and maximum values for the range of numbers that would NOT be outliers within the data set. - read more

Please vote if the answer you were given helped you or not, thats the best way to improve our algorithm. You can also submit an answer or search documents about what is the upper and lower fence in statistic.