The National Health and Nutrition Examination Survey measured the heights, in inches, of a large number of American adult men. Of these heights, 33% were less than 68, 42% were less than 69, 59% were less than 70, and 71% were less than 71.

In what interval is the median height?

i. Between 68 and 69 ii. Between 69 and 70 iii. Between 70 and 71 iv. Between 71 and 72