Can someone please help me with commonlit "IDENTITY" answer key. please... please

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.

Experiment to investigate effect of medication on levels of stress in males and females. dependant variable?

In which type of economy are these decisions made by the producers , consumers, and the goverment?