Chapt 10 # 42 H0: game length is >= 3.5 hours Ha: game length is < 3.5 hours mean = 2.9553 stdev = 0.5596 Get the t test statistic: t = (x-mu)/(stdev/sqrt(N)) t = (2.9553-3.5)/(0.5596/sqrt(17)) t = -4.0133 Get the critical value for df = N-1 = 16‚ one tail‚ alpha is 0.05: -1.7459 Since our test statistic is much lower than the critical value‚ we reject the null hypothesis. There is enough evidence to conclude that games are shorter than 3.50 hours. Chapt 11 # 58 The amount
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Sampling and Data Collection Plan Amy Nguyen QNT/561 November 3‚ 2014 Dr. Anthony Matias Sampling and Data Collection Plan Population and Size The population would be the customers of Starbucks. The size of the population is 300. Target Population The target population would be the senior‚ middle‚ and young customers of the organization as it would help to find out that how much coffee effect their life. The customers would have more knowledge about the effects of drinking too much coffee daily
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Running Head: Business Research Method Business Research Method: Selecting Right Types of Survey for Different Scenario Writer’s Name Course Name‚ Semester No‚ Class Level Supervisor Name January 31‚ 2010 Survey A survey of the residents of a new subdivision on why they happened to select that area in which to live. You also wish to secure some information about what they like and do not like about life in the subdivision. Telephone survey is supposed to be the best method
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ntroduction Steele School is a large childcare center that enrolls children from ages 6 weeks to 12 years‚ depending on the season. There are nine teachers and a few assistant teachers; the assistant teachers are chosen based on parent feedback. Steele School wishes to understand the reason parents choose one assistant teacher over the other‚ specifically if the decision is based on the parent’s satisfaction with the assistant teacher. A survey is handed out to parents where basic questions are
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Applied Research and Statistics QNT561 Research and Sampling Designs Shindeera Robinson June 21‚ 2010 Chapter 8 21. What is sampling error? Could the value of the sampling error be zero? If it were zero‚ what would this mean? Sampling error is the difference between the statistic estimated from a sample and the true population statistic. While we would expect the sampling error to not be zero‚ it is not impossible. For example if you were evaluating the ethnicities of a population and everyone
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Week 4 Chapter Questions Assignment Instructions: Type your answers IN BOLD‚ following the selected Checkpoint questions. Week 1 Chapter 1 1. What is the basic difference between anatomy and physiology? (p. 2) ANSWER: Anatomy is the study of body structure and Physiology is the study of body function. 2. Define each of the following terms: atom‚ molecule‚ cell‚ tissue‚ organ‚ system‚ and organism. (p. 6) ANSWER: atoms‚ the smallest units of matter that participate in chemical reactions
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Business Research Methods Abbott Laboratories is faced with the dilemma of an expiring drug patent and is seeking an additional indication from the Food and Drug Administration (FDA) for its cholesterol drug Niaspan. In order to receive an indication from the FDA‚ a drug company must present two successful studies with the intended outcome. Niaspan has the FDA indication to raise HDL-C‚ reduce secondary non-fatal myocardial infarction‚ and regression of atherosclerosis in combination with a bile
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Chapter 8 Exercise 21 What is sampling error? It is the difference between the sample mean and the population mean Could the value of the sampling error be zero? Yes it is possible to have a zero sampling error. However‚ it is very low probability that this could happen. If it were zero‚ what would this mean? This means that the population is uniform and the sample mean and the population mean are equal. Exercise 22 List the reasons for sampling. Give an example of each reason
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1.5 The following information is collected from students upon exiting the campus bookstore during the first week of classes: a. Amount of time spent shopping in the bookstore Answer: Numerical; Continuous variables because the answer represent quantities. The response arises from a measuring process b. Number of textbooks purchased Answer: Numerical; discrete variables because the answer represent quantities. The numerical values that from a counting process. c. Academic major Answer:
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Running head: BUSINESS RESEARCH METHODS PART III Business Research Methods Part III University of Phoenix Applied Business Research and Statistics 561 March 29‚ 2010 Business Research Methods Part III Team C’s Business Research Methods Part I analysis determined a problem within Toyota Motor Corporation’s recent recalls that posed a potential for decreased customer satisfaction‚ which has the additional potential for impacting sales. Part II proposed a sample design and appropriate collection
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