NP: Nurse Practitioner Nurse practitioners are healthcare professionals that complete advanced, graduate level educational programs that enable them to practice independently or in collaboration with other health care professionals and other individuals to diagnose, treat and manage the patient's health problems.
sum. n. 1. Mathematics. a. An amount obtained as a result of adding numbers. b. An arithmetic problem: a child good at sums. 2. The whole amount, quantity, or number; an aggregate: the sum of the team's combined experience. 3.
(n is the number of values in the data set) â¢ is the number found by adding all of the values in the data set and dividing by the total number of values in that set (finding the average of the data set). Using summation notation: The mean is often thought of as the balance point of the data set. Note: Do not round unless told to do so.