(PLEASE ANSWER BOTH QUESTIONS) Think about the statistic you hear on TV... 4 out of 5 dentist prefer Trident...

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(PLEASEANSWER BOTH QUESTIONS)
Thinkabout the statistic you hear on TV... 4 out of 5 dentist preferTrident gum over other brands. Is this true? Where did they come upwith this? What if they only had a sample size of 200 dentists andall of those dentists in their sample were interviewed immediatelyafter leaving a free promotional event sponsored by Trident? Wouldthat seem legitimate to you?
This isa good example of how selecting a good, probability sample isneeded to have valid results. You can use a convenient sample aswas used in the example above. Give an example of how to choose 200dentists using a good, probability sample.

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3.8 Ratings (647 Votes)

The statement would be an example to how sampling can be rigged to manipulate the results If the sameple size of 200 dentists were interviewed immidiately after leaving a promotional event sponsored by Trident then majority See Answer

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