To find the lower quartile, find the median of the lower half of the data. The I can verify that n is even for the lower half which means the median will be the 26 30 43 48 lower quartile = 27 X Enter a number. To find the upper quartile, find the median of the upper half of the data. The u you can verify that n is even for the upper half which means the median will be 53 54 -67 72 upper quartile = Submit Skip (you cannot come back