QNT 275 STUDY Empowering and Inspiring/qnt275study.com (1)

1
QNT 275 STUDY Empowering and Inspiring/qnt275study
.com
2
CJA 234 MART The power of possibility/cja234martd
otcom
QNT 275 STUDY Empowering and Inspiring/qnt275study
.com
QNT 275 Entire Course FOR MORE CLASSES VISIT
www.qnt275study.com   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 QNT 275 Week 2
Individual Assignment Business Decision Making
Project, Part 1
3
CJA 234 MART The power of possibility/cja234martd
otcom
QNT 275 STUDY Empowering and Inspiring/qnt275study
.com
QNT 275 Final Exam Guide FOR MORE CLASSES VISIT
www.qnt275study.com   QNT 275 Final Exam Guide
1. 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
CJA 234 MART The power of possibility/cja234martd
otcom
QNT 275 STUDY Empowering and Inspiring/qnt275study
.com
QNT 275 Week 1 DQ 1 FOR MORE CLASSES VISIT
www.qnt275study.com   What is the importance of
statistics in business decision making? Describe
a business situation where statistics was used in
making a decision.
5
CJA 234 MART The power of possibility/cja234martd
otcom
QNT 275 STUDY Empowering and Inspiring/qnt275study
.com
QNT 275 Week 1 DQ 2 FOR MORE CLASSES VISIT
www.qnt275study.com   Select 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
6
CJA 234 MART The power of possibility/cja234martd
otcom
QNT 275 STUDY Empowering and Inspiring/qnt275study
.com
QNT 275 Week 1 DQ 3 FOR MORE CLASSES VISIT
www.qnt275study.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.
7
CJA 234 MART The power of possibility/cja234martd
otcom
QNT 275 STUDY Empowering and Inspiring/qnt275study
.com
QNT 275 Week 1 Individual Assignment Statistics
in Business (2 Papers) FOR MORE CLASSES VISIT
www.qnt275study.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.
8
CJA 234 MART The power of possibility/cja234martd
otcom
QNT 275 STUDY Empowering and Inspiring/qnt275study
.com
QNT 275 Week 2 Assignment Mini-Project 3-2 FOR
MORE CLASSES VISIT www.qnt275study.com   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
CJA 234 MART The power of possibility/cja234martd
otcom
QNT 275 STUDY Empowering and Inspiring/qnt275study
.com
QNT 275 Week 2 DQ 1 FOR MORE CLASSES VISIT
www.qnt275study.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.
10
CJA 234 MART The power of possibility/cja234martd
otcom
QNT 275 STUDY Empowering and Inspiring/qnt275study
.com
QNT 275 Week 2 DQ 2 FOR MORE CLASSES VISIT
www.qnt275study.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.
11
CJA 234 MART The power of possibility/cja234martd
otcom
QNT 275 STUDY Empowering and Inspiring/qnt275study
.com
QNT 275 Week 2 DQ 3 FOR MORE CLASSES VISIT
www.qnt275study.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.
12
CJA 234 MART The power of possibility/cja234martd
otcom
QNT 275 STUDY Empowering and Inspiring/qnt275study
.com
QNT 275 Week 2 Individual Assignment Activity
Data Set (Little Town Cafe) FOR MORE CLASSES
VISIT www.qnt275study.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.
13
CJA 234 MART The power of possibility/cja234martd
otcom
QNT 275 STUDY Empowering and Inspiring/qnt275study
.com
QNT 275 Week 2 Individual Assignment Business
Problem FOR MORE CLASSES VISIT www.qnt275study.co
m   I2 (Week 2) Individual Assignment Business
Problem Prepare a paper examining a business
problem confronting your organization or an
organization you know of that you feel could be
addressed through the application of the business
research process. Describe the problem. Then
present the research purpose and one research
question addressing an aspect of this problem.
The question must contain the variable you will
measure. Discuss the measured variable.
14
CJA 234 MART The power of possibility/cja234martd
otcom
QNT 275 STUDY Empowering and Inspiring/qnt275study
.com
QNT 275 Week 2 Quiz FOR MORE CLASSES VISIT
www.qnt275study.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 "Yes," "No," or "Don't
Know." These data are best classified as
____________.
15
CJA 234 MART The power of possibility/cja234martd
otcom
QNT 275 STUDY Empowering and Inspiring/qnt275study
.com
QNT 275 Week 3 CLO Business Decision Making
Project Part 1 FOR MORE CLASSES VISIT
www.qnt275study.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.
16
CJA 234 MART The power of possibility/cja234martd
otcom
QNT 275 STUDY Empowering and Inspiring/qnt275study
.com
QNT 275 Week 3 DQ 1 FOR MORE CLASSES VISIT
www.qnt275study.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.  
17
CJA 234 MART The power of possibility/cja234martd
otcom
QNT 275 STUDY Empowering and Inspiring/qnt275study
.com
QNT 275 Week 3 DQ 2 FOR MORE CLASSES VISIT
www.qnt275study.com   What are some conditions
under which business decisions are made using
subjective probability concepts? Provide at least
two examples of subjective probability.
18
CJA 234 MART The power of possibility/cja234martd
otcom
QNT 275 STUDY Empowering and Inspiring/qnt275study
.com
QNT 275 Week 3 DQ 3 FOR MORE CLASSES VISIT
www.qnt275study.com   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.
19
CJA 234 MART The power of possibility/cja234martd
otcom
QNT 275 STUDY Empowering and Inspiring/qnt275study
.com
QNT 275 Week 3 Individual Assignment Descriptive
Statistics (Score 85) FOR MORE CLASSES VISIT
www.qnt275study.com   Individual Assignment
Descriptive Statistics Identify a research
problem different from the previous research
problems that uses two different sets of the same
type of data. Example Sales from two different
months or years. GPA's of men and women. Number
of two different shelf items sold (Coke Pepsi)
by month over a year. Home sales prices in
different suburbs, cities, counties or states.
20
CJA 234 MART The power of possibility/cja234martd
otcom
QNT 275 STUDY Empowering and Inspiring/qnt275study
.com
QNT 275 Week 3 Probability Case Study 5.2 FOR
MORE CLASSES VISIT www.qnt275study.com   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.
21
CJA 234 MART The power of possibility/cja234martd
otcom
QNT 275 STUDY Empowering and Inspiring/qnt275study
.com
QNT 275 Week 3 Quiz FOR MORE CLASSES VISIT
www.qnt275study.com   QNT 275 Week 3 Quiz
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.
22
CJA 234 MART The power of possibility/cja234martd
otcom
QNT 275 STUDY Empowering and Inspiring/qnt275study
.com
QNT 275 Week 4 CLO Business Decision Making
Project Part 2 FOR MORE CLASSES VISIT
www.qnt275study.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 sample.
23
CJA 234 MART The power of possibility/cja234martd
otcom
QNT 275 STUDY Empowering and Inspiring/qnt275study
.com
QNT 275 Week 4 DQ 1 FOR MORE CLASSES VISIT
www.qnt275study.com   What is the difference
between an independent and a dependent variable?
Does a regression model imply causation? Explain
why or why not
24
CJA 234 MART The power of possibility/cja234martd
otcom
QNT 275 STUDY Empowering and Inspiring/qnt275study
.com
QNT 275 Week 4 DQ 2 FOR MORE CLASSES VISIT
www.qnt275study.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.
25
CJA 234 MART The power of possibility/cja234martd
otcom
QNT 275 STUDY Empowering and Inspiring/qnt275study
.com
QNT 275 Week 4 DQ 3 FOR MORE CLASSES VISIT
www.qnt275study.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?
26
CJA 234 MART The power of possibility/cja234martd
otcom
QNT 275 STUDY Empowering and Inspiring/qnt275study
.com
QNT 275 Week 4 Individual Assignment t-test
I4 FOR MORE CLASSES VISIT www.qnt275study.com   I
ndividual Assignment t-test I4 Identify a
research problem different from the previous
research problems that uses two different sets of
the same type of data. Any subject may be chosen.
Some examples Sales from two different months or
years. GPA's of men and women. Number of two
different shelf items sold (Coke Pepsi) by
month over a year. Home sales prices in different
suburbs, cities, counties or states.
27
CJA 234 MART The power of possibility/cja234martd
otcom
QNT 275 STUDY Empowering and Inspiring/qnt275study
.com
QNT 275 Week 4 Linear Regression Case 12.1 FOR
MORE CLASSES VISIT www.qnt275study.com   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
28
CJA 234 MART The power of possibility/cja234martd
otcom
QNT 275 STUDY Empowering and Inspiring/qnt275study
.com
QNT 275 Week 4 Presentation (13 and 14) FOR MORE
CLASSES VISIT www.qnt275study.com   Prepare an
11- to 15-slide Microsoft PowerPoint
presentation for the senior management team based
on the business problem or opportunity you
described 13 and 14 Include on the slides what
you would want the audience to see (include
appropriate visual aids/layout). In the Speaker
Notes section, include what you would say as you
present each slide.
29
CJA 234 MART The power of possibility/cja234martd
otcom
QNT 275 STUDY Empowering and Inspiring/qnt275study
.com
QNT 275 Week 4 Quiz FOR MORE CLASSES VISIT
www.qnt275study.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? Questi
on 4 Consider the following
simple linear regression model yßoß1(xe)
The response variable is
30
CJA 234 MART The power of possibility/cja234martd
otcom
QNT 275 STUDY Empowering and Inspiring/qnt275study
.com
QNT 275 Week 5 Assignment Business Problem or
Opportunity Presentation FOR MORE CLASSES VISIT
www.qnt275study.com   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
and 5. Include on the slides what you would want
the audience to see (include appropriate visual
aids/layout). In the Speaker Notes section,
include what you would say as you present each
slide. If any source material is quoted or
paraphrased in the presentation, use APA
citations and references.
31
CJA 234 MART The power of possibility/cja234martd
otcom
QNT 275 STUDY Empowering and Inspiring/qnt275study
.com
QNT 275 Week 5 CLO Business Decision Making
Project Part 3 FOR MORE CLASSES VISIT
www.qnt275study.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.
32
CJA 234 MART The power of possibility/cja234martd
otcom
QNT 275 STUDY Empowering and Inspiring/qnt275study
.com
QNT 275 Week 5 DQ 1 FOR MORE CLASSES VISIT
www.qnt275study.com   How would you select approp
riate statistical tests for analysis research data
? What aspects of research questions or data types
 are relevant considerations in choosing your test
s? Why?
33
CJA 234 MART The power of possibility/cja234martd
otcom
QNT 275 STUDY Empowering and Inspiring/qnt275study
.com
QNT 275 Week 5 DQ 2 FOR MORE CLASSES VISIT
www.qnt275study.com   How do you know you have va
lidated a research study based on data gathered fr
om primary or secondary sources? Have you been inv
olved with any product test-marketing project? Exp
lain. How did the resulting statistics affect the 
product's marketing strategy? 
34
CJA 234 MART The power of possibility/cja234martd
otcom
QNT 275 STUDY Empowering and Inspiring/qnt275study
.com
QNT 275 Week 5 DQ 3 FOR MORE CLASSES VISIT
www.qnt275study.com   In what way has the learnin
g from this course helped you to effectively test 
hypotheses, draw conclusions, and provide recommen
dations to management? Consider what you have achi
eved in your research study conducted for this cou
rse.
35
CJA 234 MART The power of possibility/cja234martd
otcom
QNT 275 STUDY Empowering and Inspiring/qnt275study
.com
QNT 275 Week 5 Individual Assignment Final z-test
(Set 2) FOR MORE CLASSES VISIT www.qnt275study.co
m   Individual Assignment Final z-test Identify
a research problem different from the previous
research problems that uses two different sets of
the same type of data. Example Sales from two
different months or years. GPA's of men and
women. Number of two different shelf items sold
(Coke Pepsi) by month over a year. Home sales
prices in different suburbs, cities counties or
states.
36
CJA 234 MART The power of possibility/cja234martd
otcom
QNT 275 STUDY Empowering and Inspiring/qnt275study
.com
QNT 275 Week 5 Individual Assignment Final
z-test FOR MORE CLASSES VISIT www.qnt275study.com
  Individual Assignment Final z-test Identify
a research problem different from the previous
research problems that uses two different sets of
the same type of data. Example Sales from two
different months or years. GPA's of men and
women. Number of two different shelf items sold
(Coke Pepsi) by month over a year. Home sales
prices in different suburbs, cities counties or
states.
37
QNT 275 STUDY Empowering and Inspiring/qnt275study
.com