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Cell phones and driving Th e Harris Poll survey of Example

Statistics Through Applications | 2nd Edition | ISBN: 9781429219747 | Authors: Daren S. Starnes ISBN: 9781429219747 133

Solution for problem 2.5 Chapter 2

Statistics Through Applications | 2nd Edition

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Statistics Through Applications | 2nd Edition | ISBN: 9781429219747 | Authors: Daren S. Starnes

Statistics Through Applications | 2nd Edition

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Problem 2.5

Cell phones and driving Th e Harris Poll survey of Example 2.3 (page 39) also provided results about cell phone use and driving by age group. Here is a table that summarizes the percent of each age group who said they Always or Sometimes use cell phones while driving Age group Gen. Y Gen. X Baby boomers Matures 86% 79% 76% 48% (a) Would it be appropriate to use a pie chart to display these data? If so, do it. If not, explain why not. (b) Make a bar graph of the data. Describe what you see.

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LECTURE NOTES FROM 3/14/16 Arms Control Critiques/Problems: • Inspection o Logistically difficult (not willing to let inspectors in) o Requires proof of no activity o Hard to eliminate distrust • Enforcement o How to punish violators § Initiate the violation/consequence • *Deals do no eliminate conflict, but only manage it (prevent it from escalating) o reduces risks/costs • Only deals with obsolete weapons • Channels competition into unregulated areas o Encourages weapon innovation • Is there a long-term benefit to arms control agreements o For certain weapons, it is good to limit them! However… -­‐Doesn’t eliminate overall conflict between states NO NOTES FROM LECTURE 3/16/16 _______________________________________________________ Recitation 3/16/16 Arms Control: • Limit costs • Limit risks of conflict • Limit harms of conflict (humanitarianism) • Qualitative vs. Quantitative o Qualitative § NNPT, CWC,BWC,ABM, INF Landmines, cluster munitions o Quantitative: § Washington naval treaties, salt, start, etc. Arms Control Problems: • Verification/enforcement • Risk of violations • Dual-use technologies • Changing power Collective Defense: • A group of countries agreeing to defend each other from attacks that come from outside the group o Similar to alliances, but more organized § NATO is a primary example Collective Security: • An agreement among countries to create peace and security o All countries renounce use of force in disputes o Agree that everyone will attack any member that violates the agreement o Expects potential threats to be within the organization § League of Nations ú Article 16: Immediate sanctions against any member who commits an act of war against one of the members, all members will contribute armed forces to enforce the treaty, all members will allow passage of forces through their territory to enforce the treaty. • Examples of violations: o Japan invasion of Manchuria o Italy invades Ethiopia o Chaco War § United Nations ú Chapter 1, Article 2 • All members shall settle their international disputes by peaceful means • Security council decides whether there is a violation and what to do o Examples of violations: § Korean War, Gulf War

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Chapter 2, Problem 2.5 is Solved
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Textbook: Statistics Through Applications
Edition: 2
Author: Daren S. Starnes
ISBN: 9781429219747

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Cell phones and driving Th e Harris Poll survey of Example