To test: Whether the evidences suggest that the level of funding received by counties is associated with the candidate.

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Chapter 12, Problem 5RE

a.

To determine

To test: Whether the evidences suggest that the level of funding received by counties is associated with the candidate.

b.

To determine

To construct: Conditional distribution of the candidate by level AAA funding.

To draw: A bar graph

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In politics, marketing, etc. we often want to estimate a percentage or proportion p. One calculation in statistical polling is the margin of error the largest (reasonble) error that the poll could have. For example, a poll result of 72% with a margin of error of 4% indicates that p is most likely to be between 68% and 76% (72% minus 4% to 72% plus 4%). In a (made-up) poll, the proportion of people who like dark chocolate more than milk chocolate was 45% with a margin of error of 1.9%. Describe the conclusion about p using an absolute value inequality. The answer field below uses the symbolic entry option in Mobius. That lets you type in a vertical bar | to represent absolute values. Also, when you type in and then =, the symbolic entry option will automatically convert that to 2. Be sure to use decimal numbers in your answer (such as using 0.40 for 40%).

In politics, marketing, etc. we often want to estimate a percentage or proportion p. One calculation in statistical polling is the margin of error the largest (reasonble) error that the poll could have. For example, a poll result of 72% with a margin of error of 4% indicates that p is most likely to be between 68% and 76% (72% minus 4% to 72% plus 4%). In a (made-up) poll, the proportion of people who like dark chocolate more than milk chocolate was 49% with a margin of error of 1.3%. Describe the conclusion about p using an absolute value inequality. The answer field below uses the symbolic entry option in Mobius. That lets you type in a vertical bar | to represent absolute values. Also, when you type in and then =, the symbolic entry option will automatically convert that to >. Be sure to use decimal numbers in your answer (such as using 0.40 for 40%).

A CBS News poll conducted June 10 and 11, 2006, among a nationwide random sample of 651 adults, asked those adults about their party affiliation ( Democrat, Republican or none) and their opinion on how the US economy was changing ("getting better", "getting worse ", or "about the same"). The result are shown in the table below. Better Same. Worse Republicans 38 104 44 Democrat 12 87 137 None 21 90 118 1.What fraction of those affiliated with neither party thought the economy was about the same? ( answer as a decimal and round to the nearest 0.001) 2. Among survey respondents who thought the economy was about the same, what fraction were affiliated with neither party? (answer as a decimal and round to the nearest 0.001) 3. What fraction of survey respondents were affiliated with neither party who…

Answer 2

Question

Chapter 12, Problem 5RE

a.

To determine

To test: Whether the evidences suggest that the level of funding received by counties is associated with the candidate.

b.

To determine

To construct: Conditional distribution of the candidate by level AAA funding.

To draw: A bar graph

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Answer 3

Question

Chapter 12, Problem 5RE

a.

To determine

To test: Whether the evidences suggest that the level of funding received by counties is associated with the candidate.

b.

To determine

To construct: Conditional distribution of the candidate by level AAA funding.

To draw: A bar graph

Expert Solution & Answer

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Answer 4

Question

Chapter 12, Problem 5RE

a.

To determine

To test: Whether the evidences suggest that the level of funding received by counties is associated with the candidate.

b.

To determine

To construct: Conditional distribution of the candidate by level AAA funding.

To draw: A bar graph

Expert Solution & Answer

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Answer 5

Chapter 12, Problem 5RE

a.

To determine

To test: Whether the evidences suggest that the level of funding received by counties is associated with the candidate.

b.

To determine

To construct: Conditional distribution of the candidate by level AAA funding.

To draw: A bar graph

Answer 6

Chapter 12, Problem 5RE

a.

To determine

To test: Whether the evidences suggest that the level of funding received by counties is associated with the candidate.

Answer 7

Chapter 12, Problem 5RE

a.

To determine

To test: Whether the evidences suggest that the level of funding received by counties is associated with the candidate.

Answer 8

b.

To determine

To construct: Conditional distribution of the candidate by level AAA funding.

To draw: A bar graph

Answer 9

b.

To determine

To construct: Conditional distribution of the candidate by level AAA funding.

To draw: A bar graph

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 12.1 - True or False: The shape of the chi-square...Ch. 12.1 - A _____ test is an inferential procedure used to...Ch. 12.1 - Suppose there are n independent trials of an...Ch. 12.1 - What are the two requirements that must be...Ch. 12.1 - In Problems 5 and 6, determine the expected counts...Ch. 12.1 - In Problems 5 and 6, determine the expected counts...Ch. 12.1 - Prob. 7AYU Ch. 12.1 - Prob. 8AYU Ch. 12.1 - In Problems 710, determine (a) the 2 test...Ch. 12.1 - In Problems 710, determine (a) the 2 test...

To test: Whether the evidences suggest that the level of funding received by counties is associated with the candidate.

Solution Summary: The author explains that the data represents the results based on the election from a random sample of voters within each county type.

Concept explainers

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To test: Whether the evidences suggest that the level of funding received by counties is associated with the candidate.

To construct: Conditional distribution of the candidate by level AAA funding.

To draw: A bar graph

Want to see the full answer?

Chapter 12 Solutions

To test: Whether the evidences suggest that the level of funding received by counties is associated with the candidate.

Solution Summary: The author explains that the data represents the results based on the election from a random sample of voters within each county type.

Concept explainers

Videos

To test: Whether the evidences suggest that the level of funding received by counties is associated with the candidate.

To construct: Conditional distribution of the candidate by level AAA funding. To draw: A bar graph

Want to see the full answer?

Chapter 12 Solutions

To construct: Conditional distribution of the candidate by level AAA funding.

To draw: A bar graph