Lower Quartile Formula. Lower quartile formula large iqr upper quartile lower quartile to make the things easy to understand here we are giving upper quartile as q3 or we can call it as upper quartile too. Here the average needs to be taken which is of 2 nd and 3 rd terms which are 45 and 50 and the average formula of same is 45 50 2 47 50.
10 1 11 q1 will be. Third quartile q3 3 n 1 4 th term also known as the upper quartile. Lower quartile q1 19 1 1 4.
Now let s calculate the median lower quartile.
Average of 7th and 8th terms. First lets arrange of the values in an ascending order. Here the average needs to be taken which is of 2 nd and 3 rd terms which are 45 and 50 and the average formula of same is 45 50 2 47 50. The q1 is 47 50 which is bottom 25.
