QNT 351 Week 2 DQ 4
January 23, 2016 | By FA8EA998B7A |
For more course tutorials visit www.uophelp.com Does all data have a mean, median, or mode? Why or why not? When is the mean the best measure of central tendency? When is the median the best measure of central tendency?
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For more course tutorials visit www.uophelp.com Complete the cumulative Business Research Report in approx. 1,500 words by collaborating with your team to include the following: • Revised tables or figures based on prior instructor feedback • The description or interpretation for the tables or figures • Summary of Learning Team results • Answers to the research questions • Research challenges • Steps to minimize challenges in future research • Rationale for the survey items
For more course tutorials visit www.uophelp.com Administer the survey. In a paper in the APA format describe the following: Determine the sample process including sample contact, survey distribution, and survey collection. Organize, prepare, and describe the data. Include tables and figures as necessary to visually present the data.
For more course tutorials visit www.uophelp.com 1. Consider the pairs of measurements shown to the right. 2. Researchers investigated the effect of tablet surface area to volume on the rate at which a drug is released in a controlled-release dosage. For six similarly shaped tablets with different weights and thicknesses, the diffusional drug release rate (percentage of drug released divided by the square root of time) was determined. The experimental data are listed in the table. Complete parts a through d. 3. Many entrepreneurs have donated money to various causes. Data on the total amount pledged and remaining net worth for the 10 top donors are given in the table. Complete parts a through d. 4. Explain what each of the following sample correlation coefficients tells you about the relationship between the x and y values in the sample.
For more course tutorials visit www.uophelp.com What are differences between dependent and independent samples? Provide examples. What are implications for determining the tests used to analyze data?
For more course tutorials visit www.uophelp.com What is the value of performing hypotheses tests to solve problems related to business and operations management? Provide specific examples.
For more course tutorials visit www.uophelp.com Create a draft of the survey. Conduct a pilot pretest having another Learning Team in the class to provide feedback for your team. Chet will create a message thread for each team to place their survey in the Class Discussion Tab. Revise the survey based on the feedback provided by your classmates.
For more course tutorials visit www.uophelp.com 1. Researchers conducted a survey of a representative sample of over 1,000 drivers. Based on how often each driver engaged in road behaviour, a road rage score was given. The drivers were also grouped by annual income. The data were subjected to an analysis of variance, with the results summarized in the table. 2. Researchers surveyed a random sample of 25 employees who were enrolled in a certain program at one of three universities. These individuals were divided into four distinct groups, 1, 2, 3, and 4, depending on their job situation at a previous or current firm. The sampled employees completed a questionnaire on their ethical perceptions of downsizing. One item asked employees to respond to the statement, “I
For more course tutorials visit www.uophelp.com What is the importance of pretesting questions and instruments? What are risks of not doing this? Provide an example.
For more course tutorials visit www.uophelp.com does technological advancement affect the ability to collect data? Provide examples. Does this advancement increase the chance for errors? Explain.
For more course tutorials visit www.uophelp.com Create a Microsoft® Excel® spreadsheet with the two variables from a dataset for your choosing. Analyze the data with MegaStat®, StatCrunch®, Microsoft® Excel®or other statistical tool(s), including: (a) Descriptive stats for each numeric variable and (b) Histogram for each numeric variable and either (c) or (d) (c) Bar chart for each attribute (non numeric) variable (d) Scatter plot if the data contains two numeric variables .
For more course tutorials visit www.uophelp.com Develop a plan for your Business Research Project in approx. 800 words. Revise the research questions based on instructor feedback from the previous week. Identify population and samples for your research. Describe who will be chosen and how they will be accessed. Determine the data collection process. .
For more course tutorials visit www.uophelp.com 1. Which hypothesis, the null or the alternative, is the status-quo hypothesis? 2. A university economist conducted a study of elementary school lunch menus. During the state-mandated testing period, school lunches averaged 890 calories. The economist claimed that after the testing period ended, the average caloric content of the school lunches increased/dropped significantly. Set up the null and alternative hypothesis to test the economist’s claim. 3. Suppose the mean GPA of all students graduating from a particular university in 1975 was 2.40. The register plans to look at records of graduating last year to see if the mean GPA has decreased. Define notation and state the null and alternative hypothesis for this investigation. 4. A random sample of 100 observations from a population with standard deviation 58 yielded a sample mean of 111. Complete parts a through c. .
For more course tutorials visit www.uophelp.com 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.
For more course tutorials visit www.uophelp.com 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?
For more course tutorials visit www.uophelp.com Identify an organization from any member in your Learning Team or an organization with which your team is familiar. If an actual company is used, disguise its name with a pseudonym. Identify one independent variable and one dependent variable based on the business. Operationalize these variables if they are too abstract to measure.
For more course tutorials visit www.uophelp.com Identify an organization or business for your Learning Team research project. Describe the products or services it provides. Identify a problem or dilemma faced by the organization that could be addressed by research. Discuss the problem as a team. Discuss your selected problem or dilemma with your faculty member to ensure that it is at an appropriate scope for the course.