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7. A poll taken during the recession in 2008 asked 600 adults a series of questions about the state of the economy and their children's future. One question was, "Do you expect your children to have a better life than you have had, a worse life, or a life about the same as yours?" The responses showed 242 better, 310 worse, and 48 about the same. a. Use the sign test and alpha = 0.05 to determine whether there is a difference between the number of adults who feel their children will have a better life compared to a worse life. b. What is your conclusion?

7. A poll taken during the recession in 2008 asked 600 adults a series of questions about the state of the economy and their children's future. One question was, "Do you expect your children to have a better life than you have had, a worse life, or a life about the same as yours?" The responses showed 242 better, 310 worse, and 48 about the same. a. Use the sign test and alpha = 0.05 to determine whether there is a difference between the number of adults who feel their children will have a better life compared to a worse life. b. What is your conclusion?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
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7. A poll taken during the recession in 2008 asked 600 adults a series of questions about the state of the economy and their children's future. One question was, "Do you expect your children to have a better life than you have had, a worse life, or a life about the same as yours?" The responses showed 242 better, 310 worse, and 48 about the same. a. Use the sign test and alpha = 0.05 to determine whether there is a difference between the number of adults who feel their children will have a better life compared to a worse life. b. What is your conclusion?
Transcribed Image Text:7. A poll taken during the recession in 2008 asked 600 adults a series of questions about the state of the economy and their children's future. One question was, "Do you expect your children to have a better life than you have had, a worse life, or a life about the same as yours?" The responses showed 242 better, 310 worse, and 48 about the same. a. Use the sign test and alpha = 0.05 to determine whether there is a difference between the number of adults who feel their children will have a better life compared to a worse life. b. What is your conclusion?
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