drinkers showed a mean of 4.35 cups per day, with a standard deviation of 1.2 cups per day. A sample of 40 decaffeinated coffee drinkers showed a mean of 5.84 cups per day, with a standard deviation of 1.36 cups per day. What is your computed z-statistic? 5. You perform a hypothesis test at the .05 level of significance. Your computed p-value turns out to .042. What is your decision about the hypothesis? 6. In a distribution, the second quartile corresponds with the __________. 7. The MacBurger
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Stress Tolerance People define stress in many different ways. There are also various reasons why people get stressed out. The time a person is in college is proven to be one of the most stressful eras in someone’s life. A study was done in 2009 concerning the cause and effects of stress. “The purpose of this study was to identify lifestyle habits and coping strategies that may be significantly associated with high or low stress tolerance among millennial college students.”(pg.362) There were
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Instructions for the Personal Trainer Business Plan Generator Step 1: After unzipping the files, you must place them in the “C:\Program Files\Business Plan” folder. You will need to create this folder. The document links will not work if the files are not in this folder. Step 2: Double click on icon below and answer the questions in column B. [pic] Step 3: Once you have answered all questions, close and reopen this document to update the links (select Yes when prompted to update)
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increase their market share. Company Background Sports Equipment is a privately held retailer for athletic equipment located in Atlanta, GA. Their products include most items needed to play sports, such items include but are not limited to balls, exercise equipment, flying discs, footwear, goals, racquets, bats, clubs & protective equipment. They currently sell sport related equipment for beginners and children up to more advanced participants. Sports Equipment currently serves the South East Region
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indicates that slightly more than half are females; between 21-24 years old; and currently pursuing their bachleor degree. In terms of lifestyle, large majority are average and above average financially; with 2 to 4 siblings; using private transport; and exercise irregularly. In terms of study-related activities, their academic performances are self-reported as average and above average; fair and good class attendance; only sometimes or never late for class; and considered to be more focused and attentive
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PART ONE Solutions to Exercises Chapter 2 Review of Probability Solutions to Exercises 1. (a) Probability distribution function for Y Outcome (number of heads) probability Y=0 0.25 Y=1 0.50 Y=2 0.25 (b) Cumulative probability distribution function for Y Outcome (number of heads) Probability Y −1.96 and < −1.96. Solving these inequalities yields n ≥ 9220. 18. Pr (Y = $0) = 0.95, Pr (Y = $20000) = 0.05. (a) The mean of Y is μY = 0 × Pr (Y = $0) + 20, 000 × Pr (Y = $20000) = $1000
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Probability & Statistics for Engineers & Scientists This page intentionally left blank Probability & Statistics for Engineers & Scientists NINTH EDITION Ronald E. Walpole Roanoke College Raymond H. Myers Virginia Tech Sharon L. Myers Radford University Keying Ye University of Texas at San Antonio Prentice Hall Editor in Chief: Deirdre Lynch Acquisitions Editor: Christopher Cummings Executive Content Editor: Christine O’Brien Associate Editor: Christina Lepre Senior
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analysis: Regression Equation: National health expenditures = - 161.1464 + 0.1677 * Gross domestic product R | 0.99297 | R Square | 0.98599 | t Statistic | 58.12474 | Standard Error | 88.03083 | p-value | 0.0000000000905707 | This shows a strong positive correlation between the two variables, based on both the large value of the t statistic and the small p-value. From my data set, there are no specific outliers which make a regression analysis weaken, therefore I will use my first data
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Magic Johnson & HIV Caesar Lozano Human Sexuality Mrs. Polites December 3, 2012 What is HIV? HIV stands for human immunodeficiency virus, a retro virus that causes AIDS. Statistics indicate there are more than one million people living with HIV in the United States. HIV was discovered in June 1981. Since then approximately 1.7 million in the United States are estimated to have been infected with the virus. Every 9.5 minutes someone in the United States is being infected
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------------------------------------------------- Assignments and Exercises………………………………………………………… page 2 Labs…………………………………………………………………………………….page 16 Project…...............................................................................................................page 21 ------------------------------------------------- Graded Assignments Unit 1 Exercise 1: Statistics and Graphing Course Objectives and Learning Outcomes In this assignment, you will interpret and graph descriptive statistics. Assignment Requirements
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