Question

Seventy-two percent of Americans squeeze their toothpaste tube from the top. This and other not-so-serious findings are included in The First Really Important Survey of American Habits. Those results are based on 7000 responses from the 25,000 questionnaires that were mailed.
a. What is wrong with this survey?
b. As stated, the value of 72% refers to all Americans, so is that 72% a statistic or a parameter? Explain.
c. Does the survey constitute an observational study or an experiment?


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  • CreatedMay 03, 2015
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