Lower Quartile. In this case all the quartiles are between numbers. This rule is employed by the ti 83 calculator boxplot and 1 var stats functions.
How to calculate quartiles order your data set from lowest to highest values. First one q1 which is also called the lower quartile is equal to the data at the 25 th percentile of the given set. The 3 types of quartiles are.
The lower quartile value is the median of the lower half of the data.
2 nd quartile or middle quartile also same as median it divides numbers into 2 equal parts. Quartiles are calculated differently for odd and even numbers of values. Find the median lower quartile upper quartile interquartile range and range of the following numbers. Lower quartile 4 5 6 9.
