SOLUTION: Renee declared that 20 percent of all students in elementary school spend 2 hours or more on homework after she interviewed all the students in her class. Why is her conclusion unj

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Question 725526: Renee declared that 20 percent of all students in elementary school spend 2 hours or more on homework after she interviewed all the students in her class. Why is her conclusion unjustified?
Answer by rajagopalan(174) About Me  (Show Source):
You can put this solution on YOUR website!
As Renee talked to the students of her class only which may not be a true sample of the school population.
Hence her claim is not valid.