First Quartile Meaning In Math. Quartile divides a set of observations into 4 equal parts. The median divides the data into a lower half and an upper half.
The first quartile Q1 is that data below the lower quartile LQ. The first quartile is the upper bound ary of the lowest 25 of the distribution. The lower quartile is the middle value of the lower half.
For a set of data a number for which 25 of the data is less than that number.
The first quartile is the value in the middle of the first term and the median. Put them in order. Quartile 2 Q2 which is also the Median 5. Quartiles divide your data into 4 segments according to where the numbers fall on the number line.
