Lower Quartile Formula For Ungrouped Data. N 1 3 4 th term is the upper quartile. Quartiles and the interquartile range for ungrouped data the lower quartile q1 the middle quartile or median q2 the upper quartile q3 lnterquartile range the interquartile range is the difference between the third quartile and.
Qi value of i n 1 4 th observation i 1 2 3. 25 27 2 26 upper quartile. What it basically means is that in a data set with n data points.
Quartiles are the values of arranged data which divide whole data into four equal parts.
Q3 i 3 n 1 4 th value of observations where i 1 2 3. 25 27 2 26 upper quartile. 19 20 21 23 23 24 25 27 31. Step 3 gives the output as number of observations n step 4 gives the output as ascending order data.