Answer:
A symbol is a picture, sign, or image that is used to represent an object, concept, or idea. A logo is an example of a symbol, that serves the specific purpose of representing a company, idea, or service. A logo may include words, images, or a combination.
Explanation:
a)0 0 0 8 8 10 12 13 15 15 17 20 22 56
median= (12+13)/2 =12.5
mean=14
b) the median due to 56 being a clear outliar that skews the average right (basically increase the average to not be representative of data set)
independence
in the sense that it should be free from external interference
Rarefaction would be your answer.