Lower Quartile And Upper Quartile Formula. Formula to calculate quartile in statistics. I q r u p p e r q u a r t i l e l o w e r q u a r t i l e.
Completing the calculation 7 1 gives us 2. First lets arrange of the values in an ascending order. Average of 2nd and 3rd terms.
Quartile formula is a statistical tool to calculate the variance from the given data by dividing the same into 4 defined intervals and then comparing the results with the entire given set of observations and also commenting on the differences if any to the data sets.
If there is an even number of data items then we need to get the average of the middle numbers. If there is an even number of data items then we need to get the average of the middle numbers. N 1 1 4 th term is the lower quartile. 25 27 2 26 upper quartile.
