Lisa and Jen are each reading a different 250-page book consisting of 10 chapters. Which statistics would be helpful in determining whose book shows the greater variability in the chapter length? Check ALL that apply.(may be more than one or all)

A.the median of the chapter lengths in each book
B.the mean of the chapter lengths in each book
C.the interquartile range of the chapter lengths in each book
D.the range of chapter lengths in each book