give an example you’ve seen or read about where data were presented on an issue,

give an example you’ve seen or read about where data were presented on an issue,

give an example you’ve seen or read about where data were presented on an issue, but the sample was not representative of the population from which it was drawn? locate example via an Internet search.
-summarize the issue and respond to the following questions.
-Why do you believe the sample was not representative of the population?
-What are the undesirable consequences of using a poor sampling technique?
-How could the inaccurate reporting of the data been prevented?