Imagine that the scores on a recent exam were 3, 70, 72, 75, 78, 79, 81, 84, and 100.

Which statement is true regarding the interquartile range of this distribution?

a. for these data the interquartile is 68.

b. the interquartile range will be greatly affected by the extreme scores.

c. the value of the interquartile range will be larger than the range.

d. the interquartile range will be unaffected by the extreme scores.