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For more course tutorials visitwww.qnt561.com1. The mean gas mileage for a hybrid car is 56 miles per gallon. Suppose that the gasoline mileage is approximately normally distributed with a standard deviation of 3.2 miles per gallon.2. What conditions must n satisfy to make the x2 test valid?

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QNT 561 Course Begins Success / qnt561dotcom

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• 1. The mean gas mileage for a hybrid car is 56 miles per gallon. Suppose that the gasoline mileage is approximately normally distributed with a standard deviation of 3.2 miles per gallon.

• 2. What conditions must n satisfy to make the x2 test valid?

• 1. A random sample of size 15 is selected from a normal population. The population standard deviation is unknown. Assume the null hypothesis indicates a two-tailed test and the researcher decided to use the 0.10 significance level. For what values of t will the null hypothesis not be rejected?

QNT 561 Final Exam Guide (New)

QNT 561 Final Guide (Latest)

### QNT 561 Course Begins Success / qnt561.com

• 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 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.

QNT 561 Week 1 DQ 1

QNT 561 Week 1 DQ 2

### QNT 561 Course Begins Success / qnt561.com

• What are some examples of operational definitions in research design within your profession? For example, in the education field, graduation rate and retention rate are important operational definitions to measure progress of students.

• 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. For example, reflect on the current political campaign and the pollsters!

QNT 561 Week 2 DQ 1

QNT 561 Week 2 DQ 2

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• 1. What is statistics?

• 2. Explain the difference between descriptive and inferential statistics.

• 3. Explain the difference between qualitative and quantitative data.

• 4. Explain how populations and variables differ.

• Chapter 2:

• Ex 4) Two Thousand three hundred frequent business travelers are asked which Midwestern city they prefer: Indianapolis, Saint Louis, Chicago or Milwaukee. 388 liked Indianapolis best, 450 liked Saint Louis, 1212 liked Chicago and the remainder prefers Milwaukee

QNT 561 Week 1 Individual My Statslab Problem Set

QNT 561 Week 1 Lab Work (New)

### QNT 561 Course Begins Success / qnt561.com

• 1. A random sample of 87 observations produced a mean = 25.7 and a standard deviation s = 2.6.

• 2. Health care workers who use latex gloves with glove powder on a daily basis are particularly susceptible to developing a latex allergy.

• Ex 4) A large company must hire a new president. The Board of Directors prepares a list of five candidates, all of whom are equally qualified. Two of these candidates are members of a minority group. To avoid bias in the selection of the candidate, the company decides to select the president by lottery.

QNT 561 Week 2 Individual My Statslab Problem Set

QNT 561 Week 2 Lab Work (New)

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• 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.

• 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

QNT 561 Week 2 Team Assignment Business Research Project Part 1 Business Problem and Research Questions

QNT 561 Week 2 Team Assignment Business Research Project Part 1 Formulation of the Research Problem

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• 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?

• 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 3 DQ 1

QNT 561 Week 3 DQ 2

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• 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.

• Ex 2) The following is a list of 29 hospitals in the Cincinnati (Ohio) and Northern Kentucky region. The hospitals are identified by numbering them 00 through 28. Also included is whether the hospital is a general medical/surgical hospital (M/S) or a specialty hospital (S).

QNT 561 Week 3 Individual Mystatslab Problem Set

QNT 561 Week 3 Lab Work (New)

### QNT 561 Course Begins Success / qnt561.com

• This Tutorial contains 2 different Papers

• 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.

• 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

QNT 561 Week 3 Team Assignment Business Research Project Part 2 Research Plan (2 Papers)

QNT 561 Week 4 Discussion Descriptive Statistics

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• does technological advancement affect the ability to collect data? Provide examples. Does this advancement increase the chance for errors? Explain.

• What is the importance of pretesting questions and instruments? What are risks of not doing this? Provide an example.

QNT 561 Week 4 DQ 1

QNT 561 Week 4 DQ 2

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• 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.

• Ex 2) A Sample of 36 observations is selected from a normal population. The sample mean is 12, and the population standard deviation is 3. Conduct the following test of hypothesis using the 0.01 significance level.

QNT 561 Week 4 Individual Mystatslab Problem Set

QNT 561 Week 4 Lab Work (New)

### QNT 561 Course Begins Success / qnt561.com

• This Tutorial contains 2 different sets

• 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.

• What is the value of performing hypotheses tests to solve problems related to business and operations management? Provide specific examples.

QNT 561 Week 4 Team Assignment Business Research Project Part 3 Survey and Data Collection Plan (2 Sets)

QNT 561 Week 5 DQ 1

### QNT 561 Course Begins Success / qnt561.com

• What are differences between dependent and independent samples? Provide examples. What are implications for determining the tests used to analyze data?

• 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.

QNT 561 Week 5 DQ 2

QNT 561 Week 5 Individual Mystatslab Problem Set

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• Ex 6) The owner of Maumee Ford-Mercury-Volvo wants to study the relationship between the age of a car and its selling price. Listed below is a random sample of 12 used cars sold at the dealership during the last year.

• a. If we wants to estimate selling price on the basis of the age of car,

• This Tutorial contains 2 different sets

• In a paper in the APA format describe the following:

• Determine the sample process including sample contact, survey distribution, and survey collection.

QNT 561 Week 5 Lab Work (New)

QNT 561 Week 5 Team Assignment Business Research Project Part 4 Data Analysis (2 Sets)

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• EX.2) Listed Below is the number of movie tickets sold at the Library Cinema-Complex, in thousands, for the period from 2001 to 2013. Compute a five-year weighted moving average using weights of 0.15, 0.15, 0.25, 0.16, and 0.29, respectively. Describe the trend in yield.

• This Tutorial contains 2 Sets of Report and Presentation

• Complete the cumulative Business Research Report in approx. 1,500 words by collaborating with your team to include the following:

QNT 561 Week 6 Lab Work (New)

QNT 561 Week 6 Team Assignment Business Research Project Part 5 Research Report and Presentation (2 Sets)

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