BUS-352 Business Statistics Full Course
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Bus352 week 1 dq 1 & dq 2
dq 1
The media often
attempts to predict the outcome of national elections. Why are they often wrong? Based on the
concepts presented in this topic’s readings, how could the system be improved?
dq 2
In conducting a
survey, what do you think is even more important than the size of the sample?
Why?
bus352 week 2 dq 1 & dq 2
dq 1
Referring to Chapter 2
Excel Guide, EG2, Section EG2.5 in the textbook,
create a histogram on some sample data using Microsoft Excel. Post your file to the Main Forum in
response to this DQ. What are some
specific challenges related to creating a histogram in Microsoft Excel?
dq 2
dq 2
What ethical issues should you consider when creating a graph of data?
bus352 week 3 dq 1 & dq 2
dq 1
Assume the financing
gurus of a weekend investment television program predicted a 50% chance of XYZ
stock gaining in January and a 50% chance of gaining in February. Your financial advisor sees this and
tells you there is a 100% chance XYZ stock will gain over the 2-month period. Would you continue to use this financial
advisor? Explain.
dq 2
Marie claims she can
predict the sex of pregnant women’s babies. She sees 1,000 women a year, and she
always predicts a female. She charges
$1,000 for a prediction, and she always predicts a female (although clients do
not know that). When she is
wrong, she offers a double-your-money back guarantee. Since the chance of having a female is
approximately 50%, how can she earn any money?
bus352 week 4 dq 1 & dq 2
dq 1
dq 1
Provide some examples
of discrete and continuous variables. What attributes of these variables make
them discrete and continuous? Why?
dq 2
Describe the term
mutually exclusive. Provide some
examples. Must the values
of x in a discrete probability distribution always be mutually exclusive? Why
or why not? Provide an example.
bus352 week 5 dq 1 & dq 2
dq 1
You just saw an ad on
television that states the majority of the population would vote to make
smoking illegal.The poll that is
referenced shows 53% of those asked supported making smoking illegal. In the fine print at the bottom of the
screen, you see that the margin of error is +/- 3%. What is your reaction? Explain.
dq 2
bus352 week 6 dq 1 & dq 2
dq 1
Your mayor just
announced that the local unemployment rate dropped last month from the prior
month. It went from 10.5% to 10.4%. Is this a significant drop? Explain.
dq 2
Provide an example of
a situation in which you believe a Type I Error is more serious. Give an example of a situation in which
you believe a Type II Error is more serious. In each case, why do you think so?
bus352 week 7 dq 1 & dq 2
dq 1
dq 1
Describe when a z-test
should be performed as opposed to a t-test? Which (if any) can we use all the
time? Why or why not?
dq 2
Your manager, who just
read an abridged version of a statistics book, wants you to test hypotheses for
the difference in two population means. The sample sizes for each are 23. He is adamant that you perform a z-test. What would you tell him? What specific
explanation would you give?
bus352 week 8 dq 1 & dq 2
dq 1
A market researcher is
interested in knowing the type of training that works best for DVD users. Thirty consumers are randomly selected
from a population of known DVD owners (i.e., users). Ten users are trained by giving them the
DVD user’s manual and allowing them to read it. Another 10 users are trained from a
30-minute DVD user training video. Another 10 users are trained from a
self-paced computer tutorial. The users are
then timed in their ability to setup and program the DVD by performing a series
of operations. Which statistical
analysis technique should be used? What is the null hypothesis? Can the market
researcher get an answer? Why or why not?
dq 2
A client gives you a
data set of 30 observed values that represent the number of gallons of gas that
30 individual Nissan Sentra owners purchased at the gas pump last month. Your client wants to know if the data
set represents a normal distribution. Which statistical analysis technique
should be used? What is the null hypothesis? Can an analysis be performed? Why
or why not?
bus352 week 1 problem set assignment
Details:
You are not required
to submit this assignment to Turnitin.
You are required to show all of your work/formulas to receive
credit for the assignments. Failure to show your work/formulas will
negatively impact your grade.
bus352 week 4 problem set assignment
Details:
Details:
You are not required
to submit this assignment to Turnitin.
You are required to show all of your work/formulas to receive
credit for the assignments. Failure to show your work/formulas
willnegatively impact your grade.
bus352 week 5 problem set 8 assignment
Details:
You are not required
to submit this assignment to Turnitin.
You are required to show all of your work/formulas to receive
credit for the assignments. Failure to show your work/formulas will
negatively impact your grade.
bus352 week 5 problem set 7 assignment
Details:
You are not required
to submit this assignment to Turnitin.
You are required to show all of your work/formulas to receive
credit for the assignments. Failure to show your work/formulas will
negatively impact your grade.
bus352 week 6 benchmerk assignment
Details:
You are not required
to submit this assignment to Turnitin.
You are required to show all of your work/formulas to receive
credit for the assignments. Failure to show your work/formulas will
negatively impact your grade.
bus352 week 7 Christian Worldview/Statistics Integration Paper
assignment
Details:
For this assignment,
you will discuss how Christian principles can be applied to ethical issues in
statistics.
Required Reading:
Read the following:
3.
The “Reflection Before
Action: The Statistical Consultant Confronts Ethical Issues” article. In this article, the authors cite
the American Statistical Association’s Ethical Guidelines for
Statistical Practice (see the “Ethics
Provides a Defensible Response” section of the article). Take note of the information in this
section (see .westga.edu/~bquest/2001/consultant.htm”>http://www.westga.edu/~bquest/2001/consultant.htm).
4.
The “A Christian View
of the Foundations of Statistics” article (see .asa3.org/ASA/PSCF/1987/PSCF9-87Geertsema.html”>http://www.asa3.org/ASA/PSCF/1987/PSCF9-87Geertsema.html).
Essay:
Write a paper that
considers ethical issues in business statistics and discuss how your personal
values can be applied to them. This assignment
is primarily introspective in nature and students will be given significant
latitude in addressing specific questions. Specifically, provide the following in
your paper:
2.
Address the following
question: Which ethical guideline(s) from the articles is (are) most applicable
to you and why? How does this article (or how do the articles) affect your
personal decision making related to statistics and ethics?
3.
How can the ethical
issue(s) raised be addressed from a Christian worldview? In other words, what
guidance, using principles from a Christian worldview perspective, could be
applied to understand and address these ethical issues? The following GCU
websites may be helpful: (a) Doctrinal Statement (.gcu.edu/About-Us/Doctrinal-Statement.php”>http://www.gcu.edu/About-Us/Doctrinal-Statement.php) and
(b) Mission and Vision (.gcu.edu/About-Us/Mission-and-Vision.php”>http://www.gcu.edu/About-Us/Mission-and-Vision.php.)
4.
In addition to
addressing these questions, the student may also frame the issue using ethical
theories (utilitarianism, Kantian ethics, distributive justice, virtue ethics,
and covenantal ethics). Note, however, that
the previously posed questions about Christian worldview must still be
addressed.
Use external citations. Your paper should have at least six
external citations (in addition to any Biblical citations) to help frame the
issue. Wikipedia citations are not allowed.
Prepare this
assignment according to the guidelines found in the APA Style Guide, located in
the Student Success Center. An abstract is
not required.
This assignment uses a
rubric. Please review the rubric prior to
beginning the assignment to become familiar with the expectations for
successful completion.
You are required to
submit this assignment to Turnitin. Please refer to the directions in the Student Success
Center.
bus352 week 7 Chapter 10 (Part 1) Problem Set assignment
Details:
You are not required
to submit this assignment to Turnitin.
You are required to show all of your work/formulas to receive
credit for the assignments. Failure to show your work/formulas will
negatively impact your grade.
bus352 week 8 Chapter 11 Problem Set assignment
Details:
You are not required
to submit this assignment to Turnitin.
You are required to show all of your work/formulas to receive
credit for the assignments. Failure to show your work/formulas will
negatively impact your grade.
bus352 week 8 Chapter 11 Problem Set assignment
Details:
You are not required
to submit this assignment to Turnitin.
You are required to show all of your work/formulas to receive
credit for the assignments. Failure to show your work/formulas will
negatively impact your grade.
bus352 week 8 Chapter 12 Problem Set assignment
Details:
You are required to show all of your work/formulas to receive
credit for the assignments. Failure to show your work/formulas will
negatively impact your grade
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