Find The First Quartile. It represents the value for. The first quartile or 25th percentile xL also written as Q1 is the number for which 25 of values in the data set are smaller than x L.
Mathematically it is obtained when the 1st quartile is subtracted from the 3rd quartile. 2 nd quartile or middle quartile also same as median it divides numbers into 2 equal parts. If the quartile falls between two numbers then the average of the two numbers is the Q1.
IQR is otherwise called as midspread or middle fifty.
The second quartile Q 2 is the 50th percentile. Thus 50 of the data lies below this point. 2st quartile median 55. Sep 04 2018 Please Subscribe here thank you.
