Not All Stevia Is Created Equally. Stevia can be grouped into three main categories: 1. Green leaf stevia: Of the various types of stevia, this is the least-processed, as the leaves have been dried up and ground into powder form.This form of stevia has been used throughout Japan and South America for centuries as a natural sweetener and health remedy.. Medication interactions: There are certain medications that interact in a negative way with stevia, including: 1  Lithium: Stevia can often act as a diuretic and prevent the bodyâs ability to rid itself of lithium.
population definition: Population is the number of people or animals in a particular place. (noun) An example of population is over eight million people living in New York City....
A population variable is a descriptive number or label associated with each member of. a population. The values of a population variable are the various numbers (or labels) that. occur as we consider all the members of the population. Values of variables that have. been recorded for a population or a sample from a population constitute data. Example 1.1: