QNT 561 Education Begins uophelp.com

1
QNT 561 Education Begins/uophelp.com

• for more course tutorials visit
• www.uophelp.com

2
QNT 561 Education Begins/uophelp.com

• QNT 561 Final Exam Guide (New)
• For more course tutorials visit
• www.uophelp.com
• 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?
• 3.      To use the t-statistic to test for a
  difference between the means of two populations,
  what assumptions must be made about the two
  populations? About the two samples?
•  

3
QNT 561 Education Begins/uophelp.com

• QNT 561 Final Guide (Latest)
• For more course tutorials visit
• www.uophelp.com
• 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?
• 2. Which of the following is a characteristic of
  the F distribution?

4
QNT 561 Education Begins/uophelp.com

• QNT 561 Week 1 DQ 1
• For more course tutorials visit
• www.uophelp.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. 

5
QNT 561 Education Begins/uophelp.com

• QNT 561 Week 1 DQ 2
• For more course tutorials visit
• www.uophelp.com
• When would you use Chebyshevs theorem and the
  empirical rule in business? How are they
  calculated? Provide one real-life example that
  requires Chebyshevs theorem and one that
  requires the empirical rule.

6
QNT 561 Education Begins/uophelp.com

• QNT 561 Week 1 Individual My Statslab Problem Set
  
• For more course tutorials visit
• www.uophelp.com
• 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.
• 5.      Explain how populations and samples
  differ.
• 6.      What is a representative sample?
• 7.      Explain the difference between a
  population and a process

7
QNT 561 Education Begins/uophelp.com

• QNT 561 Week 1 Lab Work (New)
• For more course tutorials visit
• www.uophelp.com
• 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. Develop a
  frequency table and a relative frequency table to
  summarize this information (Round relative
  frequency to 3 decimal places.)

8
QNT 561 Education Begins/uophelp.com

• QNT 561 Week 2 DQ 1
• For more course tutorials visit
• www.uophelp.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.
  Likewise other professions have common metrics
  and definitions. Identify some metrics and
  operational definitions from your own career or a
  profession that you know well. Tell us why you
  think it is important!

9
QNT 561 Education Begins/uophelp.com

• QNT 561 Week 2 DQ 2
• For more course tutorials visit
• www.uophelp.com
• 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!

10
QNT 561 Education Begins/uophelp.com

• QNT 561 Week 2 Individual My Statslab Problem Set
  
• For more course tutorials visit
• www.uophelp.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. Each in a sample of 50 hospital
  employees who were diagnosed with a latex allergy
  based on a skin-prick test reported on their
  exposure to latex gloves. Summary statistics for
  thr number of latex gloves used per week are  
  19.4 and s 11.6. Complete parts (a) (d).
•  

11
QNT 561 Education Begins/uophelp.com

• QNT 561 Week 2 Lab Work (New)
• For more course tutorials visit
• www.uophelp.com
• Chapter 5
• 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.

12
QNT 561 Education Begins/uophelp.com

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

13
QNT 561 Education Begins/uophelp.com

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

14
QNT 561 Education Begins/uophelp.com

• QNT 561 Week 3 DQ 1
• For more course tutorials visit
• www.uophelp.com
• In your organizations 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? 

15
QNT 561 Education Begins/uophelp.com

• QNT 561 Week 3 DQ 2
• 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. 

16
QNT 561 Education Begins/uophelp.com

• QNT 561 Week 3 Individual Mystatslab Problem Set
• 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
  economists claim.

17
QNT 561 Education Begins/uophelp.com

• QNT 561 Week 3 Lab Work (New)
• For more course tutorials visit
• www.uophelp.com
• Chapter 8
• 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). we are
  interested in estimating the average number of
  full- and part-time nurses employed in the area
  hospitals.

18
QNT 561 Education Begins/uophelp.com

• QNT 561 Week 3 Team Assignment Business Research
  Project Part 2 Research Plan (2 Papers)
• For more course tutorials visit
• www.uophelp.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. 
• Describe who will be chosen and how they will be
  accessed. 
• Determine the data collection process. 

19
QNT 561 Education Begins/uophelp.com

• QNT 561 Week 4 Discussion Descriptive Statistics
• 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 Excelor other statistical tool(s),
  including
• (a) Descriptive stats for each numeric variable
• and
• (b) Histogram for each numeric variable
• and either (c) or (d)

20
QNT 561 Education Begins/uophelp.com

• QNT 561 Week 4 DQ 1
• 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. 

21
QNT 561 Education Begins/uophelp.com

• QNT 561 Week 4 DQ 2
• 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.

22
QNT 561 Education Begins/uophelp.com

• QNT 561 Week 4 Individual Mystatslab Problem Set
  
•  
• 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.

23
QNT 561 Education Begins/uophelp.com

• QNT 561 Week 4 Lab Work (New)
• For more course tutorials visit
• www.uophelp.com
• Chapter 10
• 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.
• EX. 10) Given the following hypotheses

24
QNT 561 Education Begins/uophelp.com

• QNT 561 Week 4 Team Assignment Business Research
  Project Part 3 Survey and Data Collection Plan (2
  Sets)
• For more course tutorials visit
• www.uophelp.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. 
• Revise the survey based on the feedback provided
  by your classmates.

25
QNT 561 Education Begins/uophelp.com

• QNT 561 Week 5 DQ 1
• 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.

26
QNT 561 Education Begins/uophelp.com

• QNT 561 Week 5 DQ 2
• 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? 

27
QNT 561 Education Begins/uophelp.com

• QNT 561 Week 5 Individual Mystatslab Problem Set
• 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.

28
QNT 561 Education Begins/uophelp.com

• QNT 561 Week 5 Lab Work (New)
• For more course tutorials visit
• www.uophelp.com
• Chapter 13
• 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.

29
QNT 561 Education Begins/uophelp.com

• QNT 561 Week 5 Team Assignment Business Research
  Project Part 4 Data Analysis (2 Sets)
• For more course tutorials visit
• www.uophelp.com
•   This Tutorial contains 2 different sets
• Administer the survey.
• In a paper in the APA format describe the
  followingDetermine the sample process
  including sample contact, survey distribution,
  and survey collection.Organize, prepare, and
  describe the data

30
QNT 561 Education Begins/uophelp.com

• QNT 561 Week 6 Lab Work (New)
• For more course tutorials visit
• www.uophelp.com
• Chapter 18
• 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.

31
QNT 561 Education Begins/uophelp.com

• QNT 561 Week 6 Team Assignment Business Research
  Project Part 5 Research Report and Presentation
  (2 Sets)
• For more course tutorials visit
• www.uophelp.com
• 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
• 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

32
QNT 561 Education Begins/uophelp.com

• for more course tutorials visit
• www.uophelp.com