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ivanzaharov [21]
2 years ago
8

Researchers are investigating whether people who exercise with a training partner have a greater increase, on average, in target

ed exercise intensity compared with people who exercise alone. Two methods of collecting data have been proposed.
Method I: Recruit volunteers who are willing to participate. Randomly assign each participant to exercise with a training partner or to exercise alone.
Method II: Select a random sample of people from all the people who exercise at a community fitness center. Ask each person in the sample whether they use a training partner, and use the response to create the two groups.

Suppose the investigation produces a result that is statistically significant using both methods. What can be concluded if method I is used that cannot be concluded if method II is used? Explain your answer.
Advanced Placement (AP)
1 answer:
alexandr402 [8]2 years ago
6 0

The conclusion that you will be able to reach if method I is used that cannot be concluded if method II is used is that the results can be generalized to the population as a whole.

In method I, the researchers decided to recruit volunteers. This sample includes people who do not exercise, people who exercise alone and people who exercise with a partner. On the other hand, method II will recruit participants at a community fitness center. Therefore, this sample will not include people who do not exercise. This means that method I will have a sample that is more representative of the general population.

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Designated free-speech zones are also becoming commonplace at certain public events, particularly those attended by high-ranking government officials, because of security concerns.

At the 2000 Democratic National Convention held at the Staples Center in Los Angeles, police set up a “secured zone,” which could be entered only by those with an actual convention ticket, and a “demonstration zone,” which was the only place protesters were allowed to demonstrate.

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because at all times it kept demonstrators too far away from their intended audience — convention attendees. The court significantly noted that “banning speech is an unacceptable means of planning for potential misconduct.”Free speech zones are areas set aside in public places for the purpose of political protesting. The First Amendment to the United States Constitution states that "Congress shall make no law ... abridging ... the right of the people peaceably to assemble, and to petition the Government for a redress of grievances." The existence of free speech zones is based on U.S. court decisions stipulating that the government may reasonably regulate the time, place, and manner – but not content – of expression.

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The purpose of free speech zones is to protect the safety of those attending the political gathering, or for the safety of the protesters themselves. Critics, however, suggest that such zones are "Orwellian" and that authorities use them in a heavy-handed manner to censor protesters by putting them literally out of sight of the mass media, hence the public, as well as visiting dignitaries. Though authorities generally deny specifically targeting protesters, on a number of occasions, these denials have been contradicted by subsequent court testimony. The American Civil Liberties Union (ACLU) has filed, with various degrees of success and failure, a number of lawsuits on the issue.

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2 years ago
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2 years ago
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marysya [2.9K]

Answer:

reflect the conditions and changes of an environment where they live.

Explanation:

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