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QNT 561 Week 1 Discussions to Week 6 Discussions

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QNT 561 Week 1 Discussions to Week 6 Discussions;QNT 561 Week 1 Discussions;Respond to one or more of the questions below. Note that in order to meet participation requirements, you must post at least eightsubstantive messages on three or more different days of each week. Responding to one or more of the questions below can be used to meet this requirement. You may also post substantive comments to other students' posts to meet this requirement or post substantive messages in the Discussion area at the bottom of any of the week's required or recommended learning activities.;Questions;How may variance and standard deviation be applied to a real-world business-related problem? Provide a specific application in which these measures are useful.;When would you use descriptive over inferential statistics? Provide a specific scenario and explain your rationale.;When would you use Chebyshev's theorem and the empirical rule in business? How are they calculated? Provide one real-life example that requires Chebyshev's theorem and one that requires the empirical rule.;Why is using Bayes' theorem important to help answer business-related questions? What does this theorem allow you to do that traditional statistics do not? What are some prerequisites for using Bayesian statistics?;As a manager, what are some benefits of applying probability concepts to solve business-related problems? Would business decisions suffer without probability concepts? Explain.;QNT 561 Week 2 Discussions;Respond to one or more of the questions below. Note that in order to meet participation requirements, you must post at least eightsubstantive messages on three or more different days of each week. Responding to one or more of the questions below can be used to meet this requirement. You may also post substantive comments to other students' posts to meet this requirement or post substantive messages in the Discussion area at the bottom of any of the week's required or recommended learning activities.;Questions;Read the Albert Einstein quote in ?The Research Process? section in Ch. 4 of Business Research Methods. What is the value of this statement in terms of the research process? What is the relevance and relationship of this statement to the technologically advancing business world? Where do these questions allow us to go?;What are some examples of operational definitions in research design within your profession?;Of the exploratory, formalized, and causal research designs types, which would you use to assess the effectiveness of an aspect of your job? Explain.;What is the purpose of sampling? What are some concerns and dangers of sampling? How important is the sample design to data validity? Explain. Provide an example where a sample might misrepresent data validity.;QNT 561 Week 3 Discussions;Respond to one or more of the questions below. Note that in order to meet participation requirements, you must post at least eightsubstantive messages on three or more different days of each week. Responding to one or more of the questions below can be used to meet this requirement. You may also post substantive comments to other students' posts to meet this requirement or post substantive messages in the Discussion area at the bottom of any of the week's required or recommended learning activities.;Questions;How does technological advancement affect the ability to collect data? Provide examples. Does this advancement increase the chance for errors? Explain.;Validity is more critical to measurement than reliability. A valid measurement is reliable, but a reliable measurement may not be valid. Do you agree with these statements? Explain your answer. Provide examples to support your rationale.;What are some critical decisions involved in selecting an appropriate measurement scale? How do these decisions influence the research design?;What is the importance of pretesting survey questions and instruments? What are risks of not doing this? Provide an example.;How do survey question content and wording, response strategy, and preliminary analysis planning affect survey question construction? Provide examples of questions that were positively and negatively influenced by these elements.;What is the importance of the null hypothesis? Why has it been the backbone of mainstream hypothesis testing for decades? What are its limitations?;When would you use a one- or two-sample hypothesis test? Provide examples.;What is the value of performing hypotheses tests to solve problems related to business and operations management? Provide specific examples.;What is the relationship between confidence intervals and hypothesis testing? How are they the same? How are they different?;QNT 561 Week 4 Discussions;Respond to one or more of the questions below. Note that in order to meet participation requirements, you must post at least eightsubstantive messages on three or more different days of each week. Responding to one or more of the questions below can be used to meet this requirement. You may also post substantive comments to other students' posts to meet this requirement or post substantive messages in the Discussion area at the bottom of any of the week's required or recommended learning activities.;Questions;What are differences between dependent and independent samples? Provide examples. What are implications for determining the tests used to analyze data.;What are some concepts behind variance analysis? Why is it important to test for variances in your data? Explain. How is variance analysis used in your profession? Provide an example.;What is the purpose of using nonparametric tests in operations management decisions? Provide examples of what you look for when conducting these tests.;You observe female sales representatives having lower customer defections than male sales representatives. What concepts and constructs would you use to study this phenomenon? How might the concepts or constructs relate to explanatory hypotheses? Explain.;QNT 561 Week 5 Discussions;Respond to one or more of the questions below. Note that in order to meet participation requirements, you must post at least eightsubstantive messages on three or more different days of each week. Responding to one or more of the questions below can be used to meet this requirement. You may also post substantive comments to other students' posts to meet this requirement or post substantive messages in the Discussion area at the bottom of any of the week's required or recommended learning activities.;Questions;What is the purpose of using regression analysis? How may it be used to formulate strategies? Provide examples related to strategy formulation and implementation.;How is regression analysis used in forecasting? Provide examples.;What is the purpose of using correlation analysis? How may correlation analysis be used in business decisions or in relation to strategy formulation and implementation?;How may correlation analysis be misused to explain a cause-and-effect relationship?;Discuss the relationship between independent and dependent variables with regard to correlation and regression analysis. What is the purpose of these terms?;QNT 561 Week 6 Discussions;Respond to one or more of the questions below. Note that in order to meet participation requirements, you must post at least eightsubstantive messages on three or more different days of each week. Responding to one or more of the questions below can be used to meet this requirement. You may also post substantive comments to other students' posts to meet this requirement or post substantive messages in the Discussion area at the bottom of any of the week's required or recommended learning activities.;Questions;How does each key managerial dimension promote effective research? How does each dimension help meet desired results? What is the inherent value of these dimensions to a manager and the decision-making process?;You have received a business research study done by a consultant for a life insurance company. The study is a survey of customer satisfaction based on a sample of 600. You are asked to comment on its quality. What do you look for?;In your organization's management development program, there was a heated discussion between people who claimed that theory is impractical and not effective, and others who claimed that effective theory is the most practical approach to problems. What position would you take and why?

 

Paper#31497 | Written in 18-Jul-2015

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