In 2014, the Pittsburgh Penguins were ahead of the New York Rangers three games to one in
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In 2014, the Pittsburgh Penguins were ahead of the New York Rangers three games to one in the first round of the National Hockey League playoffs. ESPN.com conducted a voluntary, online poll that asked respondents to predict the outcomes of the rest of the series. Of all 1,094 respondents, 52% said Penguins in 5 games, 34% said Penguins in 6 games, 5% said Penguins in 7 games, and 9% said Rangers in 7 games.
a. Was this a simple random sample? Explain.
b. If ESPN.com wanted to determine the true proportions for all sports fans, how could it do so more reliably?
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a No it was done by voluntary respo...View the full answer
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Statistics The Art And Science Of Learning From Data
ISBN: 9780321997838
4th Edition
Authors: Alan Agresti, Christine A. Franklin, Bernhard Klingenberg
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