How to Calculate Quartiles Order your data set from lowest to highest values Find the median. This is the second quartile Q 2. At Q 2 split the ordered data set into two halves. The lower quartile Q 1 is the median of the lower half of the data.
Since we don't find median value in the given data set, we divide the data set into two parts without ignoring the median. (ii) Lower : 11, 13, 13, 15, 16, 16, 17, 17, 18. Middle value of lower
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Type “=QUARTILE(A1:A10,1)” and then press “Enter”. This finds the first quartile. To find the third quartile, type “=QUARTILE(A1:A10,3)”.
The QUARTILE Function is a built-in function in excel; hence it is found under the FORMULAS tab. Please follow the below steps: Click on the FORMULAS tab. Click on the More Functions option. It will open a drop-down list of functions
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The answer to the equation is 4.
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