Ask your own question, for FREE!
Mathematics
OpenStudy (anonymous):

What is the interquartile range (IQR) of the following data set? 6, 7, 9, 10, 14, 16, 18, 20 a.14 b.12 c.8 d.9

OpenStudy (amistre64):

a range tends to be a few numbers IQR is q25 to q75

OpenStudy (amistre64):

meant p25 and p75 :) 8 points 8*.25 = 2, so we average the 2nd and 3rd spots 8*.75= 6, so we average the 6th and 7th spots and the range will be between those values

OpenStudy (amistre64):

6, 7, 9, 10, 14, 16, 18, 20 ___ ___ 8 17 the IQR should be from 8 to 17

OpenStudy (anonymous):

thanks the IQR is 9

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!