In a normal distribution, the Z value represents the number of standard deviations from a value X to the mean

_____ data is defined as data that has been previously collected for any purpose other than the one at hand

a. Primary b. Nominal c. Discrete d. Secondary

The practice or courtesy existing between states of treating each other with goodwill and civility is called ________

A. comity B. usus C. jus commune D. jus cogens