Difference b/w Sample and Parameter

Sample:	Parameter:
Definition: The part of the population is called sample. Examples: 1.               A food inspector takes a sample of the food items like milk, flour etc. 2.               To determine where they are pure or not. Only a few drops of blood from a person are sufficient to reveal the nature of his health.	Definition: “Any numerical quantity computed from the population observation is called parameter. Example: Mean standard deviation. etc. A parameter is usually denoted by Greek letters e.g.  (mu) will represent the population parameter of mean. It is important to note that the value of parameter is fixed.