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QNT 351 Final Exam Guide (New) For more course
tutorials visit www.qnt351.com  Q1 The Director
of Golf for a local course wants to study the
number of rounds played by members on weekdays.
He gathered the sample information shown below
for 520 rounds. At the .05 significance level, is
there a difference in the number of rounds played
by day of the week?  2An auditor for American
Health Insurance reports that 20 of
policyholders submit a claim during the year. 15
policyholders are selected randomly. What is the
probability that at least 3 of them submitted a
claim the previous year?  3 When a class interval
is expressed as 100 up to 200, ___________________
______.  4A coffee manufacturer is interested in
whether the mean daily consumption of
regular-coffee drinkers is less than that of
decaffeinated-coffee drinkers.
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QNT351 Education Specialist / qnt351.com
QNT 351 Final Exam Guide (New, 2017) Score
30/30 For more course tutorials
visit www.qnt351.com QNT 351 Final Exam Guide
(New, 2017)  Score 30/3 The mean amount spent by
a family of four on food is 500 per month with a
standard deviation of 75. Assuming that the food
costs are normally distributed, what is the
probability that a family spends less than 410
per month? 0.1151 0.0362 0.8750
0.2158   As the size of the sample increases,
what happens to the shape of the distribution of
sample means? It cannot be predicted in
advance. It is negatively skewed. It
approaches a normal distribution.
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QNT351 Education Specialist / qnt351.com
QNT 351 Final Exam Guide For more course
tutorials visit www.qnt351.com 1) The main
purpose of descriptive statistics is to  2) The
general process of gathering, organizing,
summarizing, analyzing, and interpreting data is
called  3) The performance of personal and
business investments is measured as a percentage,
return on investment. What type of variable is
return on investment?  4) What type of variable
is the number of robberies reported in your
city?  5) What level of measurement is the number
of auto accidents reported in a given month?  6)
The names of the positions in a corporation, such
as chief operating officer or controller, are
examples of what level of measurement?  7) Shoe
sizes, such as 7B, 10D, and 12EEE, are examples
of what level of measurement?
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QNT 351 Week 1 Connect Problems For more course
tutorials visit www.qnt351.com  QNT 351 Week 1
Connect Problem 1. Which of the following is an
example of a continuous variable? 2. The incomes
of 50 loan applicants are obtained. Which level
of measurement is income? 3. The members of each
basketball team wear numbers on their jerseys.
What scale of measurement are these numbers
considered? 4. The reported unemployment is 5.5
of the population. What measurement scale is used
to measure unemployment? 5. The Nielsen Ratings
break down the number of people watching a
particular television show by age. What level of
measurement is age? 6. An example of a
qualitative variable is _________________.
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QNT 351 Week 1 DQ 1 For more course tutorials
visit www.qnt351.com Week 1 DQ1 Where would you
see descriptive statistics used in your work
place?
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QNT 351 Week 1 DQ 2 For more course tutorials
visit www.qnt351.com Week 1 DQ2 How would you
define dependent and independent variables? What
is their significance in research? Explain with
examples.
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QNT 351 Week 1 DQ 3 For more course tutorials
visit www.qnt351.com Week 1 DQ3 Develop five
demographic questions to measure gender, age,
years of experience, level of education, and
ethnicity. Identify the level of measurement used
for each
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QNT 351 Week 1 DQ 4 For more course tutorials
visit www.qnt351.com Week 1 DQ4 How would you
define a variable? What is the difference between
a dependent and independent variable? Do you
think both variables are used in every research?
Explain why or why not. Provide examples. 
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QNT 351 Week 1 DQ 5 For more course tutorials
visit www.qnt351.com Week 1 DQ5 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 351 Week 1 DQ 6 For more course tutorials
visit www.qnt351.com Week 1 DQ6 What are the four
data measurement scales? Provide two examples and
explain the importance of each in business
research.
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QNT 351 Week 1 Individual Assignment Statistics
in Business (2 Sets) For more course tutorials
visit www.qnt351.com This tutorial contains 2
different Sets of papers Define statistics. Identi
fy different types of statistics. Describe the
role of statistics in business decision
making. Write a 300-word summary providing at
least three examples or problem situations in
which statistics was used or could be used.
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QNT 351 Week 1 Introduction to Statistical
Thinking Worksheet For more course tutorials
visit www.qnt351.com Complete the Introduction to
Statistical Thinking Worksheet. Format your
assignment consistent with APA guidelines. Click t
he Assignment Files tab to submit your
assignment. 1.      There are 23 people at a
party. Explain what the probability is that any
two of them share the same birthday.  2.      A
cold and flu study is looking at how two
different medications work on sore throats and
fever.  Results are as follows          Sore
throat - Medication A  Success rate - 90 (101
out of 112 trials were successful)          Sore
throat - Medication B  Success rate - 83  (252
out of 305 trials were successful)
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QNT 351 Week 2 Connect Problems For more course
tutorials visit www.qnt351.com QNT 351 Week 2
Connect Problem 1. The director of admissions at
Kinzua University in Nova Scotia estimated the
distribution of student admissions for the fall
semester on the basis of past experience. a. What
is the expected number of admissions for the fall
semester? b. Compute the variance and the
standard deviation of the number of
admissions. 2. The Internal Revenue Service is
studying the category of charitable
contributions. A sample of 28 returns is selected
from young couples between the ages of 20 and 35
who had an adjusted gross income of more than
100,000. Of these 28 returns, 5 had charitable
contributions of more than 1,000. Suppose 4 of
these returns are selected for a comprehensive
audit. .
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QNT 351 Week 2 DQ 1 For more course tutorials
visit www.qnt351.com Week 2 DQ1 Can mean, median,
or mode be calculated from all statistical data?
Explain why or why not. When is the mean the best
measure of central tendency? When is the median
the best measure of central tendency?
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QNT 351 Week 2 DQ 2 For more course tutorials
visit www.qnt351.com Week 2 DQ2 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 351 Week 2 DQ 3 For more course tutorials
visit www.qnt351.com Week 2 DQ3 What level of
data is a telephone number? Explain.
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QNT 351 Week 2 DQ 4 For more course tutorials
visit www.qnt351.com Week 2 DQ4 Does all data
have a mean, median, or mode? Why or why not?
When is the mean the best measure of central
tendency? When is the median the best measure of
central tendency?
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QNT 351 Week 2 DQ 5 For more course tutorials
visit www.qnt351.com Week 2 DQ5 Why is the
population shape a concern when estimating a
mean? What effect does sample size, n, have on
the estimate of the mean?
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QNT 351 Week 2 Excel Problem Graphical
Technique For more course tutorials
visit www.qnt351.com Question 1  Plot a 100
stacked column chart for television sales by
year.  U.S. Television Sales, 2002 - 2005 (
thousands) Projection TV LCD TV Plasma TV 2002
3,574 246 515 2003 4,351 664 1,590 2004 6,271
1,579 2,347 2005 5,320 3,295 4,012  Question
2  In a 2013 survey of employees conducted by
Financial Finesse Inc., employees were asked
about their overall financial stress levels. The
following table shows the results of this survey
(www.financialfinesse.com)  Question 3 Given
below are the ratings of the overall dining
experience (Outstanding, Very Good, Good,
Average, or Poor)
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QNT 351 Week 2 Learning Team Assignment Data
Collection (2 Sets) For more course tutorials
visit www.qnt351.com This tutorial contains 2
different Sets of papers  Discuss with your team
whether you have data from RES/351, and if your
team would like to use one team members data for
the Learning Team assignments in this course.  If
using data from RES/351  Resources Data
collected from RES/351  Prepare a 700- to
1,050-word written report along with a 5- to
7-slide Microsoft PowerPoint presentation for
the senior management team or stakeholders of
your RES/351 research project to present your
findings.  Address the following  Present the
chosen situation as an overviewproblem, purpose,
research questions, and hypotheses. Describe and
the instrument used for data collection.
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QNT351 Education Specialist / qnt351.com
QNT 351 Week 2 Probability Worksheet For more
course tutorials visit www.qnt351.com Complete the
Probability Worksheet. Format your paper
consistent with APA guidelines. Click the
Assignment Files tab to submit your
assignment. Maximum and Minimum
Temperatures Search the Internet for U.S. climate
data. Choose the city in which you
live.  Click on the tab that reads
Daily.  Prepare a spreadsheet with three
columns  Date, High Temperature, and Low
Temperature.  List the past 60 days for which
data is available. Prepare a histogram for the
data on high temperatures and comment on the
shape of the distribution as observed from these
graphs. Calculate ? and S.  What percentage of
the high temperatures are within the interval  ?
S to ? S? What percentage of the high
temperatures are within the interval  ? 2S to ?
2S?
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QNT351 Education Specialist / qnt351.com
QNT 351 Week 2 Team Assignment Descriptive
Statistics Real Estate Data Part 1 (New) For more
course tutorials visit www.qnt351.com  Search the
Internet for a realty site. Select a hometown of
someone on your team in the search section on the
website you have chosen. When all of the listings
populate, make sure that the sort criteria reads
"New Listings." This ensures that you are
searching a random cross-section of listings
rather than favoring one price range. Review the
new listings that populate. Create an
Excel spreadsheet with 4 columns of the first
100 single family homes listed, not including
condominiums or townhouses. Include each of the
following categories in the spreadsheet Property
address, listing price, square footage, and
number of bedrooms. Prepare a frequency
distribution for listing prices, including
relative frequencies.  Create your frequency
distribution as identified in Chapters 2, 3, and
4. 
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QNT 351 Week 3 Connect Problems For more course
tutorials visit www.qnt351.com Award 10 out of
10.00 points  A sample of 43 observations is
selected from a normal population. The sample
mean is 30, and the population standard deviation
is 3. Conduct the following test of hypothesis
using the 0.05 significance level.  a.         Is
this a one- or two-tailed test?            
 b.         What is the decision rule? (Round
your answer to 3 decimal places.) c.         What
is the value of the test statistic? (Round your
answer to 2 decimal places.)  d.        What is
your decision regarding H0? e.         What is
the p-value? (Round your answer to 4 decimal
places.)  2.At the time she was hired as a server
at the Grumney Family Restaurant, Beth Brigden
was told, You can average 86 a day in tips.
Assume the population of daily tips is normally
distributed with a standard deviation of 3.81.
Over the first 48 days she was employed at the
restaurant, the mean daily amount of her tips was
87.07. At the 0.02 significance level, can Ms.
Brigden conclude that her daily tips average more
than 86?
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QNT 351 Week 3 DQ 1 For more course tutorials
visit www.qnt351.com   Week 3 DQ1 What are the
differences between probability and coincidence?
Can the probability be more than 1 or less than
0? Explain why or why not.
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QNT 351 Week 3 DQ 2 For more course tutorials
visit www.qnt351.com Week 3 DQ2 What is the role
of probability concepts in business
decision-making? Provide specific examples.
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QNT 351 Week 3 DQ 3 For more course tutorials
visit www.qnt351.com   Week 3 DQ3 What are the
basic differences between a discrete and a
continuous distribution?
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QNT 351 Week 3 DQ 4 For more course tutorials
visit www.qnt351.com   Week 3 DQ4 What are the
characteristics of standard normal distribution?
Explain how to calculate the z-test static.
Explain how a z-value is used to calculate the
area under the distribution and the meaning of
P(0 to z) when z 1.96.
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QNT 351 Week 3 Excel Problems Measuring
Salespeople Performance For more course tutorials
visit www.qnt351.com Week A B C D 1 1774 2205
1330 1402 2 1808 1507 1295 1665 3 1890 2352 1502
1530 4 1932 1939 1104 1826 5 1855 2052 1189
1703 6 1726 1630 1441 1498 Interpretation of
Minimum and Maximum Interpretation of Mean and
Median Interpretation of Standard Deviation and
Variance
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QNT351 Education Specialist / qnt351.com
QNT 351 Week 3 Individual Assignment Real Estate
Data For more course tutorials visit www.qnt351.co
m Resources Appendix A1 at the end of Basic
Statistics for Business and Economics Answer quest
ion 68 in the Data Set Exercises from Ch. 3
of Basic Statistics for Business and
Economics. Answer question 34 in the Data Set
Exercises from Ch. 4 of Basic Statistics for
Business and Economics.
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QNT351 Education Specialist / qnt351.com
QNT 351 Week 3 Team Assignment Sampling
Distributions Real Estate Part 2 (New) For more
course tutorials visit www.qnt351.com  Use the
real estate data that you used for your learning
team project that was due in Week 2. Complete the
Sampling Distributions - Real Estate Part 2
worksheet. Format your assignment consistent with
APA guidelines. Click the Assignment Files tab to
submit your assignment. Review the data and for
the purpose of this project please consider the
100 listing prices as a population.          
Explain what your computed population mean and
population standard deviation were. 2.     
Divide the 100 listing prices into 10 samples of
n10 each. Each of your 10 samples will tend to
be random if the first sample includes houses 1
through 10 on your spreadsheet, the second sample
consists of houses 11 through 20, and so on. 
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QNT351 Education Specialist / qnt351.com
QNT 351 Week 3 Team Assignment Summarizing and
Presenting Data (2 Sets) For more course
tutorials visit www.qnt351.com This tutorial
contains 2 different Sets of papers  If using
RES/351 data  Revise the report submitted in
Week Two based on the feedback provided by the
instructor in the team assignment, and insight
gained by reading.  Summarize the data collected
using descriptive statistics. Descriptive
statistics should be in the forms of frequency
distribution table, measures of mean, median,
mode, standard deviation, and graphical display
of data.  Summarize the statistics in relation to
the problem selected and research questions and
draw conclusions.  Prepare a 1,050- to 1,750-word
report of conclusions drawn from the data and
make recommendations to the management.
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QNT 351 Week 4 Connect Problems For more course
tutorials visit www.qnt351.com QNT 351 Week 4
Connect Problem  1)      The Production
department of Celitronics International wants to
explore the relationship between the number of
employees who assemble a subassembly and the
number produced. As an experiment, 2 employees
were assigned to assemble the subassemblies. They
produced 13 during a one-hour period, then 4
employees assembled them. They produced 22 during
a one hour period. The complete set of paired
observation follows a)      The dependent
variable is production that is, it is assumed
that different levels of production result from a
different number of employees. b)      A scatter
diagram is provided below. Based on it, does
there appear to be any relationship between the
number of assemblers and production? c)     
Compute the correlation coefficient. .
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QNT 351 Week 4 DQ 1 For more course tutorials
visit www.qnt351.com  Week 4 DQ1What are some
terms related to hypothesis testing with which
you are already familiar? Why do null and
alternative hypotheses have to be mutually
exclusive?
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QNT351 Education Specialist / qnt351.com
QNT 351 Week 4 DQ 2 For more course tutorials
visit www.qnt351.com Week 4 DQ2 Why does the
significance level differ among industries? Will
the null hypothesis be more likely to be rejected
at a 0.01 than a 0.10? As the significance
level increases to a 0.10 from a 0.01, which
type error is more likely to occur? What can be
done to reduce the likelihood of incurring this
error?
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QNT351 Education Specialist / qnt351.com
QNT 351 Week 4 DQ 3 For more course tutorials
visit www.qnt351.com  Week 4 DQ3 Please explain
the five steps used in hypothesis testing. How
does the five-step procedure for hypothesis
testing differ when comparing two groups using
a t- or z-test? How is the process similar?
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QNT 351 Week 4 DQ 4 For more course tutorials
visit www.qnt351.com Week 4 DQ4 Please explain
terms related to hypothesis testing please
explain null and alternate hypotheses, explain
the difference between two different test
statistics, then define the equations used in
both.   Why do null and alternative hypotheses
have to be mutually exclusive?
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QNT351 Education Specialist / qnt351.com
QNT 351 Week 4 Excel Problems Measures of
Relative Standing and ProbabilityDistribution For
more course tutorials visit www.qnt351.com Problem
1 Figure below gives the boxplots comparing the
base yearly salaries of employeesin marketing and
employees in research for a large company.
Identify the five number summaries. for each
profession. Interpret them like we did in the
class.   Problem 2 An insurance company
determines that in every 100 claims, 4 are
fraudulent. What is the probability that the next
claim the company processes will be fraudulent?
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QNT351 Education Specialist / qnt351.com
QNT 351 Week 4 Individual Assignment Real Estate
Data For more course tutorials visit www.qnt351.co
m Resources Appendix A1 at the end of Basic
Statistics for Business and Economics Answer quest
ion 60 (both parts a. and b.) in the Data Set
Exercises from Ch. 6 of Basic Statistics for
Business and Economics. Answer question 54 (both
parts a. and b.) in the Data Set Exercises from
Ch. 7 of Basic Statistics for Business and
Economics.
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QNT351 Education Specialist / qnt351.com
QNT 351 Week 4 Learning Team Reflection (2
Sets) For more course tutorials
visit www.qnt351.com   QNT 351 Week 4 Learning
Team Reflection  This tutorial contains 2
different sets  Discuss the following with your
Learning Team The steps in testing a research
hypothesis Comparing the means of two or more
groups Calculating the correlation between two
variables Include the topics you feel comfortable
with, any topics you struggled with, and how the
weekly topics relate to application in your field.
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QNT 351 Week 4 Two Population Means Worksheet For
more course tutorials visit www.qnt351.com A
tomato farmer with a very large farm of
approximately 2200 acres had heard about a new
type of rather expensive fertilizer which would
supposedly significantly increase his production.
The frugal farmer wanted to test the new
fertilizer before committing the large investment
required to fertilize a farm of his size. He
therefore selected 15 parcels of land on his
property and divided them each into two
portions.  He bought just enough of the new
fertilizer to spread over one half of each parcel
and then spread the old fertilizer over the other
half of each parcel. His yields in pounds per
tomato plant were as follows What if you were
the fertilizer sales representative and your job
was to prove the superiority of the new product
to the farmer? (1)        You should start by
running the same test he did in which he came to
the decision that he could not conclude a
difference.  (2)        Perform the test as it
should have been done and find if you come to a
different conclusion.
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QNT351 Education Specialist / qnt351.com
QNT 351 Week 5 Individual Assignment Real Estate
Data For more course tutorials visit www.qnt351.co
m Resources Appendix A1 at the end of Basic
Statistics for Business and Economics Answer quest
ion 58 in the Data Set Exercises from Ch. 10
of Basic Statistics for Business and
Economics. Answer question 62 in the Data Set
Exercises from Ch. 13 of Basic Statistics for
Business and Economics.
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QNT351 Education Specialist / qnt351.com
QNT 351 Week 5 Learning Team Assignment Analyzing
and Interpreting Data Paper and Presentation For
more course tutorials visit www.qnt351.com  If
using RES/351 data  Ask your instructor for
specific information regarding the analysis you
are required to perform for your data
set.  Combine your Week Two Learning Team
assignment and Week Three findings with Week Five
findings and make a recommendation to the
research problem.  Use the statistical tables
given in the appendices of the textbook and a
statistical analysis application a Microsoft
Excel spreadsheet, Minitab statistical
software, or SPSS software.  Prepare a 1,050- to
1,750-word written report along with a 7- to
9-slide Microsoft PowerPoint presentation for
the senior management team to present your
findings.  If using the Ballard Integrated
Managed Services, Inc. (BIMS) case study overview
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QNT351 Education Specialist / qnt351.com
QNT 351 Week 5 Team Assignment Real Estate
Regression Exercise (New) For more course
tutorials visit www.qnt351.com Complete the Real
Estate Regression Exercise. Format your paper
consistent with APA guidelines. Click the
Assignment Files tab to submit your
assignment. You are consulting for a large real
estate firm.  You have been asked to construct a
model that can predict listing prices based on
square footages for homes in the city youve been
researching.  You have data on square footages
and listing prices for 100 homes.   1.     
 Which variable is the independent variable (x)
and which is the dependent variable
(y)?    2.      Click on any cell.  Click on
Insert?Scatter?Scatter with markers (upper left).
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