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NT 561 Final Exam Guide (New) QNT 561 Final Guide (Latest) QNT 561 Week 1 Individual My Statslab Problem Set QNT 561 Week 1 Lab Work (New) QNT 561 Week 2 Individual My Statslab Problem Set QNT 561 Week 2 Lab Work (New) 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 QNT 561 Week 3 Individual Mystatslab Problem Set QNT 561 Week 3 Lab Work (New) – PowerPoint PPT presentation

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Title: QNT 561 Course Career Path Begins qnt561dotcom


1
QNT 561 Course Career Path Begins /qnt561dotcom
  • FOR MORE CLASSES VISIT
  • www.qnt561.com

2
QNT 561 Final Exam Guide (New)
  • 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 Final Guide (Latest)
  • 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?
  • 3. For a chi-square test involving a contingency
    table, suppose the null hypothesis is rejected.
    We conclude that the two variables are
    __________.

4
QNT 561 Week 1 DQ 1
  • 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 Week 1 DQ 2
  • 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 Week 1 Individual My Statslab Problem Set
  • 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.
  • 8. Define statistical thinking.

7
QNT 561 Week 1 Lab Work (New)
  • 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.)
  • Ex 6) A small business consultant is
    investigating the performance of several
    companies. The fourth-quarter sales for last year
    (in thousands of dollars) for the selected
    companies were

8
QNT 561 Week 2 DQ 1
  • 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 Week 2 DQ 2
  • 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 Week 2 Individual My Statslab Problem Set
  • 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 Week 2 Lab Work (New)
  • 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.
  • a. What is the probability one of the
    minority candidate is hired?
  • b. Which concept of probability did you use
    to make this estimate?

12
QNT 561 Week 2 Team Assignment Business Research
Project Part 1 Business Problems
  • 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.

13
QNT 561 Week 2 Team Assignment Business Research
Project Part 1 Formulation
  • 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 Week 3 DQ 1
  • 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 Week 3 DQ 2
  • 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 Week 3 Individual Mystatslab Problem Set
  • 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 Week 3 Lab Work (New)
  • 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 Week 3 Team Assignment Business Research
Project Part 2 Research Plan (2 Papers)
  • 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 Week 4 Discussion Descriptive Statistics
  • 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)
  • (c) Bar chart for each attribute (non numeric)
    variable

20
QNT 561 Week 4 DQ 1
  • does technological advancement affect the ability
    to collect data? Provide examples. Does this
    advancement increase the chance for errors?
    Explain.

21
QNT 561 Week 4 DQ 2
  • What is the importance of pretesting questions
    and instruments? What are risks of not doing
    this? Provide an example.

22
QNT 561 Week 4 Individual Mystatslab Problem Set
  • . 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

23
QNT 561 Week 4 Lab Work (New)
  • 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 12) The management of White Industries
    considering a new method of assembling its golf
    cart. The present method requires 42.3 minutes,
    on the average, to assemble a cart. The mean
    assembly time for a random sample of 24 carts,
    using the new method,

24
QNT 561 Week 4 Team Assignment Business Research
Project Part 3 Survey
  • 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 Week 5 DQ 1
  • What is the value of performing hypotheses tests
    to solve problems related to business and
    operations management? Provide specific examples.

26
QNT 561 Week 5 DQ 2
  • What are differences between dependent and
    independent samples? Provide examples. What are
    implications for determining the tests used to
    analyze data?

27
QNT 561 Week 5 Individual Mystatslab Problem Set
  • 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.

28
QNT 561 Week 5 Lab Work (New)
  • 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.
  • a. If we wants to estimate selling price on
    the basis of the age of car, which variable is
    thr dependent varialble and which is the
    independent variable?
  • b. 1. Determine the correlation
    coefficient
  • 2. Determine the coefficient of determination.

29
QNT 561 Week 5 Team Assignment Business Research
Project Part 4 Data Analysis (2 Sets)
  • This Tutorial contains 2 different sets
  • 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.

30
QNT 561 Week 6 Lab Work (New)
  • 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.
  • EX 10) Appliance Center sells a variety of
    electronic equipment and home appliance. For the
    last 4 years, 2010 through 2013, the following
    quarterly sales (in millions) were reported.

31
QNT 561 Week 6 Team Assignment Business Research
Project Part 5 Research
  • 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 Course Career Path Begins /qnt561dotcom
  • FOR MORE CLASSES VISIT
  • www.qnt561.com
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