American Online AOL occassionally conduct online polls in wh

American Online (AOL) occassionally conduct online polls in which internet users can respond a question. If a graph is constructed to illustrate results from such a poll, and the graph designed objectively with sound graphing techniques, does the graph provide us with understanding of the greater population? why or why not?

Solution

For any sample to represent the whole population, random sampling is compulsory

Only if randomness is ensured and sample size large we can say that sample represents the population.

Here the sample taken is from internet users to respond a question.

This is not random as normally internet users are educated socially well off and understands the things well. But major populatin consist of masses living before poverty uneducated who do not know how to use internet or answer questions there

Hence the graph cannot provide us with understabnding of the greater population as internet users represent a small proportin of total population