A random variable $X$ is normally distributed, with a mean of 24 and a standard deviation of 3.8.

Which of the following is the appropriate interquartile range for this distribution?

A. $28.69 - 19.31 = 9.38$
B. $33.75 - 14.25 = 19.50$
C. $25.23 - 22.77 = 2.46$
D. $26.57 - 21.43 = 5.14$
E. $24.95 - 23.05 = 1.90$