Explain why the IQR is preferred over the range as a measure of variability. Choose the correct answer below. A. The IQR depends on only two observations, the mean and the median, and is therefore more reliable. B. The IQR depends on many observations and is therefore more reliable. C. The IQR depends on only two observations, the largest and the smallest, and is therefore more reliable. D. The IQR depends on a single observation, and is therefore more reliable