Читать книгу Statistics and Probability with Applications for Engineers and Scientists Using MINITAB, R and JMP - Bhisham C. Gupta, Irwin Guttman - Страница 45

Ratio data are also numerical data that have the potential to produce the most meaningful information of all data types. All arithmetic operations are applicable on this type of data. Numerous examples of this type of data exist, such as height, weight, length of rods, diameter of a ball bearing, RPM of a motor, number of employees in a company, hourly wages, and annual growth rate of a company. In ratio data, the number zero equates to nothingness. In other words, the number zero means absence of the characteristics of interest.