| On a scale divided into quartiles, no matter how much anybody makes, somebody will be in the fourth quartile. |
| The lower and upper whiskers extend to the most extreme data point within 1.5 times the interquartile range of the first and third quartiles, respectively. |
| Australia, Canada and the United States took in twice as many who were ranked in the top quartile compared with the lower three quartiles. |
| No participants were misclassified for energy, thiamine, or monounsaturated fat quartiles, and the greatest misclassification was observed for potassium. |
| Disparities in college enrollment by family income quartiles are almost as large today as they were thirty years ago. |
| The initial categories were created by stratifying lesions into quartiles according to size. |
