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Title: QNT 275 Something Great /uophelp.com


1
QNT 275 Something Great/Uophelp.Com
  • For More Course Tutorials Visit


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2
QNT 275 Something Great/Uophelp.Com
  • QNT 275 Entire Course
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  • QNT 275 Week 1 Individual Assignment Statistics
    in Business
  • QNT 275 Week 1 DQ 1
  • QNT 275 Week 1 DQ 2
  • QNT 275 Week 1 DQ 3
  • QNT 275 Week 2 Activity Data Set

3
QNT 275 Something Great/Uophelp.Com
  •  QNT 275 Final Exam Guide
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  • The salaries of teachers in a particular school
    district are normally distributed with a mean of
    50,000 and a standard deviation of 2,500. Due
    to budget limitations, it has been decided that
    the teachers who are in the top 2.5 of the
    salaries would not get a raise.

4
QNT 275 Something Great/Uophelp.Com
  • QNT 275 Week 1 DQ 1
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  • What is the importance of statistics in business
    decision making? Describe a business situation
    where statistics was used in making a decision.

5
QNT 275 Something Great/Uophelp.Com
  • QNT 275 Week 1 DQ 2
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  • elect four variables, other than what your fellow
    students have already selected, that could be
    measured by nominal, ordinal, interval, and ratio
    scale. Classify them by measurement scale and
    select descriptive statistics that can be used to
    summarize data. Use the following table when
    posting your response

6
QNT 275 Something Great/Uophelp.Com
  • QNT 275 Week 1 DQ 3
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  •  
  • How do we define measurement? What are various
    levels of measurement? How do you select
    measurement levels when developing a survey or
    data collection tool? Explain with examples.

7
QNT 275 Something Great/Uophelp.Com
  • QNT 275 Week 1 Individual Assignment Statistics
    in Business
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  •  Write a 300-word summary that addresses the
    following criteria
  • Define statistics.
  • Identify different types and levels of
    statistics.
  • Describe the role of statistics in business
    decision-making.
  • Provide at least two examples or problem
    situations in which statistics was used or could
    be used.

8
QNT 275 Something Great/Uophelp.Com
  • QNT 275 Week 2 Assignment MiniProject 3 2
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  •  
  • You are employed as a statistician for a company
    that makes household products, which are sold by
    part-time salespersons who work during their
    spare time. The company has four salespersons
    employed in a small town. Let us denote these
    salespersons by A, B, C, and D.

9
QNT 275 Something Great/Uophelp.Com
  • QNT 275 Week 2 DQ 1
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  •  
  • Describe a business situation, other than what
    has already been selected by fellow students or
    selected from the team assignment, where mean and
    standard deviation can be used in decision
    making. Describe how calculation of mean and
    standard deviation can help in making a decision.

10
QNT 275 Something Great/Uophelp.Com
  • QNT 275 Week 2 DQ 2
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  • What are the various methods one can use to
    identify the shape of data distribution collected
    for research study? Why it is important to know
    the shape of distribution? How it can be used in
    decision making? Provide examples other than
    those already posted in class.

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QNT 275 Something Great/Uophelp.Com
  • QNT 275 Week 2 DQ 3
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  • Select an article from a news magazine or
    research journal where data is displayed in a pie
    or bar chart. Describe the data displayed in the
    chart and what conclusion you could draw.

12
QNT 275 Something Great/Uophelp.Com
  • QNT 275 Week 2 Individual Assignment Business
    Decision Making Project, Part 1
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  • Based on your Week 2 collaborative learning team
    discussion, submit, individually, a 350- to
    700-word description based on the collaboration
    of the team's company and problem for instructor
    approval.
  • Format your paper consistent with APA guidelines.
  • Submit completed assignment to Plagiarism Checker
    in University Library.

13
QNT 275 Something Great/Uophelp.Com
  • QNT 275 Week 2 Quiz
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  • QNT 275 Week 2 Quiz
  •  1.         In order to summarize qualitative
    data, a useful tool is a __________.
  • 2.         A stem-and-leaf diagram is constructed
    by separating each value of a data set into two
    parts. What are these parts?

14
QNT 275 Something Great/Uophelp.Com
  • QNT 275 Week 3 CLO Business DecisionMaking
    Project Part 1
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  • Identify a business problem or opportunity at a
    company where you work or with which you're
    familiar. This will be a business problem that
    you use for the individual assignments in Weeks
    3-5. It should be a problem/opportunity for which
    gathering and analyzing some type of data would
    help you understand the problem/opportunity
    better.

15
QNT 275 Something Great/Uophelp.Com
  • QNT 275 Week 3 DQ 1
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  • An oil change shop advertised to change oil
    within 15 minutes. Based on the data collected on
    a typical day, what is the probability that oil
    change will take 15 minutes or less time? Based
    on the data, do you think the business claim is
    valid? Explain why or why not.
  •  

16
QNT 275 Something Great/Uophelp.Com
  • QNT 275 Week 3 DQ 2
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  • What are some conditions under which business
    decisions are made using subjective probability
    concepts? Provide at least two examples of
    subjective probability.

17
QNT 275 Something Great/Uophelp.Com
  • QNT 275 Week 3 DQ 3
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  • What are the characteristics of standard normal
    distribution? The HR department of an
    organization collects data on employees' age,
    salary, level of education, gender, and
    ethnicity. Which data do you think is more likely
    to follow normal distribution? Explain why.

18
QNT 275 Something Great/Uophelp.Com
  • QNT 275 Week 3 Probability Case Study 5.2
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  • Week 3 Learning Team Collaboration Discussion
    Probability
  • Resource Case Study 5.2 in Chapter 5 of
    Essentials of Business Statistics
  • Calculate the requested probabilities for items
    1-3.
  • Discuss your findings for the probabilities.

19
QNT 275 Something Great/Uophelp.Com
  • QNT 275 Week 3 Quiz
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  • Question 1                 You work in
    marketing for a company that produces work boots.
    Quality control has sent you a memo detailing the
    length of time before the boots wear out under
    heavy use. They find that the boots wear out in
    an average of 208 days, but the exact amount of
    time varies, following a normal distribution with
    a standard deviation of 14 days.

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QNT 275 Something Great/Uophelp.Com
  • QNT 275 Week 4 DQ 1
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  • What is the difference between an independent and
    a dependent variable? Does a regression model
    imply causation? Explain why or why not.

21
QNT 275 Something Great/Uophelp.Com
  • QNT 275 Week 4 DQ 2
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  • In a normal distribution, what percent of
    observations fall between the mean and one
    standard deviation? In a normal distribution, 95
    of the data is located between the mean and how
    many standard deviations? In a normal
    distribution of 2,216 observations, how many
    observations fall within one standard deviation
    of the mean? What may be said of observations
    that fall beyond three standard deviations?

22
QNT 275 Something Great/Uophelp.Com
  • QNT 275 Week 4 Individual Assignment Textbook
    Assignments
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  • Individual Assignment Textbook Assignments
  •  Complete Exercise 41 Problem 14 and Exercises
    43 Problem 8 in Ch. 4 of Elementary Statistics.
  • Include the notation for the rule that is used to
    solve the problem.

23
QNT 275 Something Great/Uophelp.Com
  • QNT 275 Week 4 Learning Team Textbook Assignments
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  • Does correlation equal causation? Does the
    strength of correlation depend on the direction?
    What is the meaning of a zero correlation?
    Explain your answers.

24
QNT 275 Something Great/Uophelp.Com
  • QNT 275 Week 4 DQ 3
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  •  
  • What are the requirements that must be met for a
    regression analysis? What happens if these
    requirements are violated? Why is analysis of
    residuals important?

25
QNT 275 Something Great/Uophelp.Com
  • QNT 275 Week 4 Linear Regression Case 12 1
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  • Resource Case Study 12.1 in Chapter 12 of
    Essentials of Business Statistics.
  • Click the Sushi Restaurant Data Set link.
  • Calculate the linear regression in item 1 of the
    case study.
  • Discuss the following with your team

26
QNT 275 Something Great/Uophelp.Com
  • QNT 275 Week 4 Quiz
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  • Question 1                 Serial correlation
    is typically observed in
  • Question 2                 Another name for an
    explanatory variable is the ___.
  • Question 3                 Which of the
    following variables is not qualitative?
  • Question 4                 Consider the
    following simple linear regression model
    yßoß1(xe)   The response variable is        

27
QNT 275 Something Great/Uophelp.Com
  • QNT 275 Week 4CLO Business DecisionMaking Project
    Part 2
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  • CLO Business Decision Making Project, Part
    2 Use the same business problem/opportunity and
    research variable you wrote about in Week 3.
  • Remember do not actually collect any data think
    hypothetically.
  • Develop a 1,050-word report in which you

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QNT 275 Something Great/Uophelp.Com
  • QNT 275 Week 5 DQ 1
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  • How would you select appropriate statistical
    tests for analysis research data? What aspects of
    research questions or data types are relevant
    considerations in choosing your tests? Why?

29
QNT 275 Something Great/Uophelp.Com
  • QNT 275 Week 5 DQ 2
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  •  
  • How do you know you have validated a research
    study based on data gathered from primary or
    secondary sources? Have you been involved with
    any product test-marketing project? Explain. How
    did the resulting statistics affect the product's
    marketing strategy? How can organizations skew
    the statistical outcomes of their business
    research?

30
QNT 275 Something Great/Uophelp.Com
  • QNT 275 Week 5 DQ 3
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  • In what way has the learning from this course
    helped you to effectively test hypotheses, draw
    conclusions, and provide recommendations to
    management? Consider what you have achieved in
    your research study conducted for this course.

31
QNT 275 Something Great/Uophelp.Com
  • QNT 275 Week 5CLO Business DecisionMaking Project
    Part 3
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  • CLO Business Decision Making Project, Part
    3 Prepare an 11- to 15-slide Microsoft PowerPoin
    t presentation for the senior management team
    based on the business problem or opportunity you
    described in Weeks 3-4.

32
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