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QNT 275 Entire Course For more course tutorials
visit www.uophelp.com     This Tutorial doesnt
contain Practice Set (email us for customized
help)     QNT 275 Final Exam Guide QNT 275 Week 2
Quiz QNT 275 Week 3 Quiz QNT 275 Week 4 Quiz  QNT
275 Week 1 Individual Assignment Statistics in
Business (2 Papers)  QNT 275 Week 1 DQ 1 QNT 275
Week 1 DQ 2 QNT 275 Week 1 DQ 3
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QNT 275 Final Exam Guide For more course
tutorials visit www.uophelp.com     QNT 275 Final
Exam Guide     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. What is the salary level that divides the
teachers into one group that gets a raise and one
that doesnt? In the accompanying stem-and-leaf
diagram, the values in the stem and leaf portions
represent  10s and 1s digits, respectively.
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QNT 275 Week 1 DQ 1 For more course tutorials
visit www.uophelp.com   What is the importance of
statistics in business decision making? Describe
a business situation where statistics was used in
making a decision.
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QNT 275 Week 1 DQ 2 For more course tutorials
visit www.uophelp.com   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 Variable Level of Measurement Descriptiv
e Stat and Justify Selection Nominal  Ordinal   In
terval  
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QNT 275 Week 1 DQ 3 For more course tutorials
visit www.uophelp.com   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.
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QNT 275 Week 1 Individual Assignment Statistics
in Business (2 Papers) For more course tutorials
visit www.uophelp.com     This Tutorial contains
2 Papers   Develop a 875-word response that
addresses each of the following prompts Define
statistics with citation and reference. Contrast
quantitative data and qualitative data. Use two
Peer Reviewed references. Evaluate tables and
charts used to represent quantitative and
qualitative data. Describe the levels of data
measurement. Describe the role of statistics in
business decision-making.
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QNT 275 Week 2 Assignment MiniProject 3 2 For
more course tutorials visit www.uophelp.com     Yo
u 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.   The sales
records (in dollars) for the past 6 weeks for
these four salespersons are shown in the table
below.
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QNT 275 Week 2 DQ 1 For more course tutorials
visit www.uophelp.com   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.
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QNT 275 Week 2 DQ 2 For more course tutorials
visit www.uophelp.com   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 Week 2 DQ 3 For more course tutorials
visit www.uophelp.com   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.
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QNT 275 Week 2 Individual Assignment Activity
Data Set (Little Town Cafe) For more course
tutorials visit www.uophelp.com     Review the
following business scenario You are the manager
in a small town in the lake district of a
Midwestern state enjoys a robust tourist season
during the summer months, but has only a small
population of residents during the off season.
The Littletown Café adjusts the levels of staff
according to the time of year, to coincide with
the number of guests, with the tourist season
typically starting around Memorial Day each year.
One wait staff employee can serve 50 guests. When
a bus staff employee is added, the pair can serve
75 guests. At 76 guests, the café adds a second
wait staff employee, for a total of 2 waiters and
one busser. Analysis of guest numbers can support
future decisions about scheduling wait staff,
dishwashers, and bus staff for the café.
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QNT 275 Week 2 Quiz For more course tutorials
visit www.uophelp.com     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? 3.         A recent survey of 200 small
firms (annual revenue less than 10 million)
asked whether an increase in the minimum wage
would cause the firm to decrease capital
spending. Possible responses to the survey
question were
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QNT 275 Week 3 CLO Business DecisionMaking
Project Part 1 For more course tutorials
visit www.uophelp.com     CLO Business
Decision-Making Project Part 1    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.
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QNT 275 Week 3 DQ 1 For more course tutorials
visit www.uophelp.com   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.   Class Interval Frequency
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QNT 275 Week 3 DQ 2 For more course tutorials
visit www.uophelp.com   What are some conditions
under which business decisions are made using
subjective probability concepts? Provide at least
two examples of subjective probability.
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QNT 275 Week 3 DQ 2 For more course tutorials
visit www.uophelp.com   What are some conditions
under which business decisions are made using
subjective probability concepts? Provide at least
two examples of subjective probability.
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QNT 275 Week 3 Probability Case Study 5.2 For
more course tutorials visit www.uophelp.com     We
ek 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.    What was the smoking trend from
1997-2007?
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QNT 275 Week 3 Quiz For more course tutorials
visit www.uophelp.com     QNT 275 Week 3
Quiz                                          Ques
tion 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. For an upcoming ad
campaign, you need to know the percent of the
pairs that last longer than six months-that is,
180 days. Use the empirical rule to approximate
this percent. Question 2      For any normally
distributed random variable with mean µ and
standard deviation s, the percent of
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QNT 275 Week 4 DQ 1 For more course tutorials
visit www.uophelp.com   What is the difference
between an independent and a dependent variable?
Does a regression model imply causation? Explain
why or why not.
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QNT 275 Week 4 DQ 2 For more course tutorials
visit www.uophelp.com   Does correlation equal
causation? Does the strength of correlation
depend on the direction? What is the meaning of a
zero correlation? Explain your answers.
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QNT 275 Week 4 DQ 3 For more course tutorials
visit www.uophelp.com   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?
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QNT 275 Week 4 Linear Regression Case 12 1 For
more course tutorials visit www.uophelp.com     Re
source 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 Explain if simple regression or multiple
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QNT 275 Week 4 Quiz For more course tutorials
visit www.uophelp.com     QNT 275 Week 4
Quiz     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        
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QNT 275 Week 4CLO Business DecisionMaking Project
Part 2 For more course tutorials
visit www.uophelp.com     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 Identify the
types of descriptive statistics that might be
best for summarizing the data, if you were to
collect a
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QNT 275 Week 5 DQ 1 For more course tutorials
visit www.uophelp.com   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?  
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QNT 275 Week 5 DQ 2 For more course tutorials
visit www.uophelp.com   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?
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QNT 275 Week 5 DQ 3 For more course tutorials
visit www.uophelp.com     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.
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QNT 275 Week 5CLO Business DecisionMaking Project
Part 3 For more course tutorials
visit www.uophelp.com     CLO Business Decision
Making Project, Part 3  Prepare an 11- to
15-slide Microsoft PowerPoint presentation for
the senior management team based on the business
problem or opportunity you described in Weeks
3-4. Include on the slides what you'd want the
audience to see (include appropriate visual
aids/layout) and include in the Speaker's Notes
section what you'd say as you present each slide.
If any source material is quoted or paraphrased
in the presentation, use APA citations and
references.
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