Voluntary sports polls In 2014, the Pittsburgh Penguins were ahead of the New York Rangers three games
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Voluntary sports polls 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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Related Book For
Statistics The Art And Science Of Learning From Data
ISBN: 9781292164878
4th Global Edition
Authors: Alan Agresti, Christine A. Franklin, Bernhard Klingenberg
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