Question

What is the interquartile range of the data:
42, 43, 46, 46, 47, 47, 48, 49, 49, 50, 51, 51, 51, 51, 51, 52, 52, 52, 54, 54, 54, 54, 54, 55, 55, 55, 55, 56, 56, 56, 57, 57, 57, 57, 58, 60, 61, 61, 61, 64, 64, 65, 68, 69, 70
The range is 28

Answer 1

from my knowledge of interquartile ranges I'd have to say the answer is 6.5