Lower Quartile Formula In Statistics. Middle quartile q2 n 1 2 4. Third quartile q 3 3 n 1 4 t h t e r m also known as the upper quartile.
The other name for quartile is basically cuts. Q 1 n 1 4 th item. It will put the complete list of numbers in an order.
Another strategy involves using the following formula where q1 is the lower quartile and n is the number of values in the set of data.
There are 5 observations. The lowest 25 of the data being found below the first quartile value. This formula does not give you the value of the lower. Further they could be given as the upper quartile or the lower quartile.
