What is the interquartile range of the data? 150, 165, 180, 198, 204, 216, 230, 255
a. 105
b. 28.5
c. 51
d.50.5

150,165,180,198,204,216,230,255
Quartile 1: (165+180)÷2
=345÷2
=172.5
Quartile 3: (216+230)÷2
=446÷2
=223
Quartile range:223-172.5=50.5 or D. Hope it help!

Are there any statements?

The first one, i believe, would be correct. all the others have one thing in common, and that's that they have repeating numbers. in the second one, x and y have repeating 6's and 3's, and in the third, x and y have repeating 6's as well. in the last one, there are repeating 3's. the first one has no repeating numbers.