Dietary Supplements. Refer to Table 24 (page 170) for Exercises 39–44.
dietarysupp
41. Use the IQR method to investigate the presence of outliers in usage.
3.5.41
Q1 – 1.5 * IQR = −3.65 and Q3 + 1.5 * IQR = 13.55. Usage of 14,700,000 is the only outlier.