Parade magazine posed the following question: Should drivers be banned from using all cell phones? Readers were

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Parade magazine posed the following question: “Should drivers be banned from using all cell phones?” Readers were encouraged to vote online at parade.com. The subsequent issue of Parade reported the results: 2407 (85%) said “Yes” and 410 (15%) said “No.”

a. What type of sample did the Parade survey obtain?

b. Explain why this sampling method is biased. Is 85% probably greater than or less than the true percent of all adults who believe that all cell phone use while driving should be banned? Why?

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Related Book For  book-img-for-question

The Practice Of Statistics

ISBN: 9781319113339

6th Edition

Authors: Daren S. Starnes, Josh Tabor

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