scatterplot of (log x‚ log y) shows a strong positive correlation Which of the following must be true? I. The variables x and y also have a correlation close to 1. II. A scatterplot of (x‚ y) shows a strong nonlinear pattern. III. The residual plot of the variables x and y shows a random pattern. (a) I only (b) II only (c) III only (d) I and II (e) I‚ II‚ and III 2. What is the purpose of residual plots? (a) To determine causation. (b) To assess the type of relationship that
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Exam 1 Essays Directions: choose 2 to answer and turn them in on Friday 2/28/14. Please answer in essay format. A. Have you‚ or anyone you know‚ ever been abducted by aliens? According to one report‚ approximately 4 million Americans have reported being abducted by aliens (Blackmore‚ 1998). Are these claims credible? Should we all be on the lookout for flying saucers landing in our backyards? Although some people fully believe all these reports‚ and others reject them completely‚ psychologists—as
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Video games have become an integrated part of society both in the older and younger generations. As more and more complex games are made and introduced into the community‚ increased amounts of violence are put into these games to draw in more consumers. Many studies have reported that because of the violence in these games‚ younger children and teens have become more violent not only toward family‚ but also toward government and public property. If this continues on the track that has been established
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the following pitfalls in mind: (1) The Post Hoc Fallacy: This is a common error made in thinking about causation between two variables. If Event A happens before Event B‚ it is not necessarily true that A caused B. The post hoc fallacy is the incorrect belief that because event B occurs after event A then A caused B. This is closely related to correlation and causation. Correlation refers to things happening together. Just because two variables move closely together doesn’t mean one causes
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strategy of cutting its highest paid employees proved to be detrimental to their business. Based on the data provided‚ a correlation between the 2007 terminations of Circuit City’s highest paid and the de-valuation of the stock price can be made. The Caveat Emptor approach asks three questions: (1) Is the research useful? (2) Does the study separate correlation from causation? And (3) Are there alternative explanations? (Milkovich‚ Newman‚ & Gerhart‚ 2011). The research provided in the case
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study focus on the issues of over-weight adults in the U.S. This issue specifically on the psychological problem weight could have on a person. I found the statement not to be sound enough to be warrented. The premise follows The “Correlation does not equal Causation” fallacy. The lack of factual information doesn’t show proof for the claim 3. Losing weight is tough. You don’t have to do it alone. Let Metabical and your health care provider start you on the road to a healthy weight and better
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Causes and Effects of Taxes I. Introduction A. One of the first lessons learned about cause and effect is the very important lesson‚ "correlation does not imply causation." II. Top two percent of Americans A. Raise taxes B. Taxing the rich is good for the economy III. Cause A. High taxes IV. Effects of high taxes A. Low wages- businesses can’t afford to pay high wages with such high taxes B. High prices- businesses have to raise prices to be able to pay these high
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Chapter 2 #1 (1/1) a What are the most prudent decisions she can make about her responsibilities to herself and others? The most prudent decision she can make about her responsibilities to herself and others would be to turn it in to the airline. Using information out of the proposal would result in her dismissal because she would be in violation of her firm’s Business Conduct Guidelines. b What are the implications of those decisions even if there is no violation of law or regulation? The implications
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Michael Halim 19/12/2013 Indoor Air-pollution and health Introduction: We are living things that need to breathe‚ no doubt of that. Every few seconds we need to inhale a small quantity of air. Unfortunately‚ the air we breathe in has become more and more polluted owning to a multitude of factors such as: increase in number of vehicles‚ increase usage of synthetic materials for buildings and homes‚ lack of awareness towards potentially hazardous microorganisms such as fungi and so on. Air
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Investigations Incident Causation Not Just for Fatalities Objectives • Familiarize with incident causation • Apply root cause analysis Heinrich Domino Theory Management / Root Cause • Management Structure objectives organization operations Operational Error Manager behavior/Supervisor behavior Tactical Error unsafe acts unsafe conditions LCU Theory • Accident probability is situational • Overload taxes person’s capacity • Leads to accidents (or illness) • >300 → 79% in 2 yrs • >200 → 51%
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