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QNT275STUDY Education Specialist /
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QNT 275 Entire Course (2 Set, No Final Guide) FOR
MORE CLASSES VISIT www.qnt275study.com This
Tutorial contains 2 Papers for each
Assignment  QNT 275 Week 1 Individual Assignment
Statistics in Business (2 Papers) QNT 275 Week 2
Individual Assignment Activity Data Set (Little
Town Cafe) QNT 275 Week 2 Assignment Mini-Project
3-2   QNT 275 Week 3 CLO Business Decision Making
Project Part 1 (2 Papers) QNT 275 Week 4 CLO
Business Decision Making Project Part 2 (2
Papers) QNT 275 Week 5 CLO Business Decision
Making Project Part 3 (2 PPT) QNT 275 Week 4
Linear Regression Case 12.1 QNT 275 Week 3
Probability Case Study 5.2
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QNT275STUDY Education Specialist /
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QNT 275 Entire Course (2 Set, With Final
Guide) FOR MORE CLASSES VISIT www.qnt275study.com
This Tutorial contains 2 Papers for each
Assignment QNT 275 Final Exam Guide (New,
2017)   QNT 275 Week 1 Individual Assignment
Statistics in Business (2 Papers)  QNT 275 Week 2
Individual Assignment Activity Data Set (Little
Town Cafe)  QNT 275 Week 2 Assignment
Mini-Project 3-2   QNT 275 Week 3 CLO Business
Decision Making Project Part 1 (2 Papers)  QNT
275 Week 4 CLO Business Decision Making Project
Part 2 (2 Papers)  QNT 275 Week 5 CLO Business
Decision Making Project Part 3 (2 PPT)  QNT 275
Week 4 Linear Regression Case 12.1  QNT 275 Week
3 Probability Case Study 5.2  QNT 275 Week 1
Practice Set  QNT 275 Week 2 Practice Set
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QNT 275 Final Exam Guide (New, 2017) FOR MORE
CLASSES VISIT www.qnt275study.com 1 To make
tests of hypotheses about more than two
population means, we use the t
distribution normal distribution chi-square
distribution analysis of variance
distribution  2 You randomly select two
households and observe whether or not they own a
telephone answering machine. Which of the
following is a simple event? At most one of them
owns a telephone answering machine. At least one
of them owns a telephone answering
machine. Neither of the two owns a telephone
answering machine. Exactly one of them owns a
telephone answering machine.
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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.
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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  Nominal  Ordinal  In
terval   Ratio
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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.
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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. 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. Provide at least two
business research questions, or problem
situations, in which statistics was used or could
be used. Use two peer reviewed references.
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QNT 275 Week 1 Practice Set FOR MORE CLASSES
VISIT www.qnt275study.com The following table
lists the number of deaths by cause as reported
by the Centers for Disease Control and Prevention
on February 6, 2015 Cause of Death Number of
Deaths Heart disease 611,105 Cancer
584,881 Accidents 130,557 Stroke
128,978 Alzheimers disease 84,767 Diabetes 75,578
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QNT 275 Week 2 Assignment MiniProject 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. The sales
records (in dollars) for the past 6 weeks for
these four salespersons are shown in the table
below. eek 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
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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.
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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.
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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.
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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. 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 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. Use the
business research problem sample I2 as a guide.
This paper should be between 300-600 words. Post
to the individual assignment forum. Title the
document file "Business Statistics Research
Problem I2". Materials
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QNT 275 Week 2 Mini- Project 3-3 (Movie Data
Set) FOR MORE CLASSES VISIT www.qnt275study.com P
urpose of Assignment This assignment provided
students with practice in understanding the
relationship of averages and standard deviation
to make an informed business decision about the
gross income performance of each movie genre.
Students will learn to implement the use of these
statistical measures for better business
decision-making. Resources Week 2 Videos Week
2 Readings Statistics Lab Tutorial help on
Excel and Word functions can be found on the
Microsoft Office website. There are also
additional tutorials via the web offering support
for Office products. Assignment Steps Refer to
Mini-Project Movie Data Set. Analyze and write a
report summarizing this data. This report should
include answers to at least the following
questions
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QNT 275 Week 2 Practice Set FOR MORE CLASSES
VISIT www.qnt275study.com  List the simple
events for each of the following statistical
experiments in a sample space. One roll of a
die. Note Separate your response with a comma
(,). For example 22, 23, 24   Three tosses of a
coin. Note Use this notation for your answer.
heads H. tails T. For example HT, TH  One
toss of a coin and one roll of a die. Note Use
this notation. Heads H or numbers 1, 2, 3, 4,
5, 6 for the dice. For example  H1 indicates
heads and dice roll equal to 1. Two students are
randomly selected from a statistics class, and it
is observed whether or not they suffer from math
anxiety. Indicate which are simple and which are
compound events.
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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
____________. 4.         The accompanying chart
shows the numbers of books written by each author
in a collection of cookbooks. What type of chart
is this? 5.         A population consists of
_________________. 6.         Which of the
following variables is quantitative? 7.        
Which of the following represents a population
and a sample from that population?
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QNT 275 Week 3 CLO Business Decision Making
Project Part 1 (2 Papers) FOR MORE CLASSES VISIT
www.qnt275study.com This Tutorial contains 2
Papers 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. Identify a research variable within the
problem/opportunity that could be measured with
some type of data collection. Consider methods
for collecting a suitable sample of either
qualitative or quantitative data for the
variable. Consider how you will know if the data
collection method would be valid and reliable.
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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.  Class Interval Frequency 6 to 10
minutes 3 11 to 15 minutes 8 16 to 20
minutes 6 21 to 25 minutes 2 More than 25
Minutes 1
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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.
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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.
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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.
You wish to determine if there is a significant
difference between the means of the data sets.
Select data that have absolute zero measurements
(Ratio data). You may use recorded data or made
up data. The n sample size should be at least 10
in each set, but not more than 20. Prepare a
paper describing the research problem, research
purpose and one research question. Include a
definition of the variables you are measuring.
List the data. List alpha, the null and
alternative hypothesis, and give a brief back
ground. Do MegaStat descriptive statistics on the
data and do data analysis describing the data. Do
runs plot graphs. Interpret the Goodness of Fit
(GOF) p-value to decide if the data is parametric
(normal) or nonparametric
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QNT 275 Week 3 Practice Set FOR MORE CLASSES
VISIT www.qnt275study.com Let x be a continuous
random variable. What is the probability that x
assumes a single value, such as a (use numerical
value)?  The following are the three main
characteristics of a normal distribution. The
total area under a normal curve equals _____. A
normal curve is ___________ about the
Consequently, 50 of the total area under a
normal distribution curve lies on the left side
of the mean, and 50 lies on the right side of
the mean. Fill in the blank. The tails of a
normal distribution curve extend indefinitely in
both directions without touching or crossing the
horizontal Although a normal curve never meets
the ________ axis, beyond the points represented
by µ 3sto µ 3s it becomes so close to this
axis that the area under the curve beyond these
points in both directions is very close to zero.
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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. What was the smoking trend from
1997-2007? Is this a discrete, continuous, or
conditional probability? Why? How do
probabilities help you understand trends in
data? What steps might you recommend, related to
smoking behavior, based on this trend?
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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. 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 the
observations that fall between µ-2s  and µ2s  is
closest to _______.   Question 3     
           Which of the following is correct?
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QNT 275 Week 4 CLO Business Decision Making
Project Part 2 (2 Papers) FOR MORE CLASSES VISIT
www.qnt275study.com This Tutorial contains 2
Papers 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. Analyze
the types of inferential statistics that might be
best for analyzing the data, if you were to
collect a sample. Analyze the role probability
or trend analysis might play in helping address
the business problem.
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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.
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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.
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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?
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QNT 275 Week 4 Individual Assignment t test
I4 FOR MORE CLASSES VISIT www.qnt275study.com Ind
ividual 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. You wish to
determine if there is a significant difference
between the means of the data sets. Select data
that have absolute zero measurements (Ratio
data). You may use recorded data or made up data.
The n sample size should be at least 10 in each
set, but not more than 29. Prepare a paper with a
table of contents. Describe the research problem,
research purpose and one research question.
Include a definition of the variables you are
measuring. List the data. List alpha, the null
and alternative hypothesis, and give a brief back
ground. Do MegaStat descriptive statistics on the
data and do data analysis describing the data. Do
runs plot graphs. Interpret the Goodness of Fit
(GOF) p-value to decide if the data is parametric
(normal) or nonparametric.
32
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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 Explain if simple regression or
multiple regression is more appropriate for
making predictions in this case. Predict what
will happen to sales based on unemployment rate
and the level of advertising Justify your
predictions.
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QNT 275 Week 4 Practice Set FOR MORE CLASSES
VISIT www.qnt275study.com Find z for each of the
following confidence levels. Round to two decimal
places. 90 95 96 97 98 99 For a data set
obtained from a random sample, n 81 and x
48.25. It is known that s 4.8.  What is the
point estimate of µ? Round to two decimal
places Make a 95 confidence interval for µ. What
is the lower limit? Round to two decimal
places. Make a 95 confidence interval for µ.
What is the upper limit? Round to two decimal
places. What is the margin of error of estimate
for part b? Round to two decimal places.
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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. If any source material is quoted or
paraphrased in the presentation, use APA
citations and references. Draw on material you
developed in the 13 Research Problem and 14
Research Problem Include the following in your
presentation           Introduction
slide          Agenda slide          Describe
the organization, with a brief description       
   Explain the business problem or
opportunity          Analyze why the business
problem is important          Identify what
variable would be best to measure for this
problem and explain why
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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? Question 4                
Consider the following simple linear regression
model yßoß1(xe)   The response variable
is         Question 5                Which of
the following violates the assumptions of
regression analysis? Question 6               
In a simple linear regression model, if the plots
on a scatter diagram lie on a straight line, what
is the standard error of the estimate?
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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. Draw on material you
developed in the Week 3 and 4 assignments. Include
the following in your presentation 
Introduction slide Agenda slide Describe the
organization, with a brief description
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QNT 275 Week 5 CLO Business Decision Making
Project Part 3 (2 PPT) FOR MORE CLASSES VISIT
www.qnt275study.com This Tutorial contains 2
Presentations 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. Draw on material you developed in the
Weeks 3-4 assignments. Include the following in
your presentation Introduction slide Agenda
slide Describe the organization, with a brief
description
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QNT 275 Week 5 DQ 1 FOR MORE CLASSES VISIT
www.qnt275study.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 CLASSES VISIT
www.qnt275study.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 CLASSES VISIT
www.qnt275study.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 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. You wish to determine if there is a
significant difference between the means of the
data sets. Select data that have absolute zero
measurements (Ratio data). You may use recorded
data or made up data. The n sample size should be
at least 30 in each set, but not more than 50.
Prepare a paper with a table of contents.
Describe the research problem, research purpose
and one research question. Include a definition
of the variables you are measuring. List the
data. List alpha, the null and alternative
hypothesis, and give a brief back ground. Do
MegaStat descriptive statistics on the data and
do data analysis describing the data. Do runs
plot graphs. Interpret the Goodness of Fit (GOF)
p-value to decide if the data is parametric
(normal) or nonparametric.
42
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QNT 275 Week 5 Individual Assignment Final z
test FOR MORE CLASSES VISIT www.qnt275study.com I
ndividual 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. You wish to determine if there is a
significant difference between the means of the
data sets. Select data that have absolute zero
measurements (Ratio data). You may use recorded
data or made up data. The n sample size should be
at least 30 in each set, but not more than 50.
Prepare a paper with a table of contents.
Describe the research problem, research purpose
and one research question. Include a definition
of the variables you are measuring. List the
data. List alpha, the null and alternative
hypothesis, and give a brief back ground. Do
MegaStat descriptive statistics on the data and
do data analysis describing the data. Do runs
plot graphs. Interpret the Goodness of Fit (GOF)
p-value to decide if the data is parametric
(normal) or nonparametric.
43
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QNT 275 Week 5 Practice Set FOR MORE CLASSES
VISIT www.qnt275study.com 1. This distribution
has only one parameter. The curve is skewed to
the right for small df and becomes symmetric for
large df. The entire distribution curve lies to
the right of the vertical axis. The distribution
assumes nonnegative values only 1. t
distribution 2. Normal distribution 3. Chi-square
distribution 4. Linear regression.   2. Find the
value of x2 for 12 degrees of freedom and an area
of .025 in the right tail of the chi- square
distribution curve. What is the value of
chi-square? Round to three decimal places
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