¿a qué se deben la mayoría de los desastres naturales ocurridos en los últimos siglos?

Cost and benefit in economic example

What refers to the existence of more than one level of government in the country

For each of the following examples of data, determine which scale of measurement is used. a) the number of miles joggers run per week. b) the starting salaries of graduates of mba programs c) the months in which a firm's employees choose to take their vacations. d) the final letter grades received by students in a math course.