What is the interquartile range (IQR) for the data set?

13, 14, 17, 18, 23, 27, 28, 31, 34

Question

What is the interquartile range (IQR) for the data set?

13, 14, 17, 18, 23, 27, 28, 31, 34

anonymous · Answer

23

anonymous · Answer

Median = 23
1st quartile = (14+17)/2 = 15.5
3rd quartile = (28+31)/2 = 29.5
IQR = q3 - q1 = 29.5 - 15.5 = 14
therefore, the interquartile range is 14

directrix · Answer

@devanshgaur Code of conduct: OpenStudy values the Learning process - not the ‘Give you an answer’ process Don’t post only answers - guide the asker to a solution http://openstudy.com/code-of-conduct

anonymous · Answer

@Directrix  ... OK I will be posting the solution.. I was justing asking katrina if I am right or not thats why I waited too long... I just wanted to consult.. Only then I will be posting the solution...

directrix · Answer

Okay, no worries. @devanshgaur