Lower And Upper Quartile Formula. Upper quartile q3 n 1 3 4. 19 20 21 23 23 24 25 27 31.
That is quartile deviation q 3 q 1. Quartile takes two arguments the array containing numeric data to analyze and quart indicating which quartile value to return the quartile function accepts 5 values for the quart argument as shown the in the table below. 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.
When evaluating the quartiles always remember to first arrange the data in increasing order.
To find the lower quartile using the formula use q1 1 4 n 1 or enter 1 into the excel function instead of 3. If the size of the data set is odd do not include the median when finding the first and third quartiles. 25 27 2 26 upper quartile. Average of 2nd and 3rd terms.
