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• QNT 275 Final Exam Guide (New, 2019, 100 Score)
• For more course tutorials visit
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•  
• 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.

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• QNT 275 Week 1 Apply Connect Week 1 Exercise
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•  
• QNT 275 Week 1 Apply Connect Week 1 Exercise
• Review the glossary in your textbook in
  preparation for this assignment.
• Complete the Week 1 Exercise in Connect.
• Note You have only 1 attempt available to
  complete assignments.
• 1.Define Ratio Variable.
• A variable having values that are numbers which
  reflect quantities or measurements.
• A characteristic from a sample or population that
  can assume different values for individual
  elements (members) of the sample or population.

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• QNT 275 Week 1 DQ 1
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• 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
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•  
• 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
• Descriptive Stat and Justify Selection
•  Nominal

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• QNT 275 Week 1 DQ 3
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• 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)
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• 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.

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• QNT 275 Week 1 Practice Connect Knowledge Check
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•  
• QNT 275 Week 1 Practice Connect Knowledge Check
• Complete the Week 1 Knowledge Check in Connect.
• Note You have unlimited attempts available to
  complete practice assignments.
• 1.Daily temperature in a local community
  collected over a 30-day time period is an example
  of cross-sectional data.
• True
• False

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• QNT 275 Week 1 Practice Set
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•  
• 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

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• QNT 275 Week 2 Apply Connect Week 2 Case
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• QNT 275 Week 2 Apply Connect Week 2 Case
• Part 1
• You manage the inventory for a car dealership.
  Your management would like you to review current
  inventory on the dealership lot.
• Review the Week 2 Data Set.
• Create and calculate the following in Excel
• Create a Pie Chart which summarizes colors of the
  cars in the sample.
• Create a Bar Chart which summarizes the frequency
  of the models of the cars in the sample.

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• QNT 275 Week 2 Assignment MiniProject 3 2
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• ou 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.
• Week   A         B         C         D
• 1          1774    2205    1330    1402
• 2          1808    1507    1295    1665
• 3          1890    2352    1502    1530

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• QNT 275 Week 2 DQ 1
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• 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
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• 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
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• 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)
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• 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.

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• QNT 275 Week 2 Individual Assignment Business
  Problem
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• 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.

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• QNT 275 Week 2 Mini- Project 3-3 (Movie Data Set)
  
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• Purpose 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 

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• QNT 275 Week 2 Practice Analysis ToolPak
  Installation
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• QNT 275 Week 2 Practice Analysis ToolPak
  Installation
• Complete the steps indicated in the Installing
  the Analysis ToolPak video to prepare for this
  weeks assignment.
• Take a screenshot of the Data tab showing the
  installed toolpak.
• Click on the Assignment Files tab to submit your
  screenshot.
•  

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• QNT 275 Week 2 Practice Connect Knowledge Check
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• QNT 275 Week 2 Practice Connect Knowledge Check
• Complete the Week 2 Knowledge Check in Connect.
• Note You have unlimited attempts available to
  complete practice assignments.
• 1.In a statistics class, 10 scores were randomly
  selected with the following results 74, 73, 77,
  77, 71, 68, 65, 77, 67, 66.
• What is the IQR?
• 11.00
• 10

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• QNT 275 Week 2 Practice Set
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• 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

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• QNT 275 Week 2 Quiz
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• 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 ____________.

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• QNT 275 Week 3 Apply Connect Week 3 Case
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• QNT 275 Week 3 Apply Connect Week 3 Case
• Part 1
• Three hundred consumers between 21 and 49 years
  old were randomly selected. After sampling a new
  wine cooler, each was asked to rate the appeal of
  the phrase Not sweet like wine coolers, not
  filling like beer, and more refreshing than wine
  or mixed drinks as it relates to the new wine
  cooler. The rating was made on a scale from 1 to
  5, with 5 representing extremely appealing and
  with 1 representing not at all appealing.

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• QNT 275 Week 3 CLO Business Decision Making
  Project Part 1 (2 Papers)
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• 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
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• 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
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• 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
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• 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)
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• 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.

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• QNT 275 Week 3 Practice Connect Knowledge Check
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• QNT 275 Week 3 Practice Connect Knowledge Check
• 1.A plant manager knows that the number of boxes
  of supplies received weekly is normally
  distributed with a mean of 200 and a standard
  deviation of 20. What percentage of the time will
  fewer than 160 boxes of supplies arrive in a
  week?
• 2.28
• 4.56
• 42.07
• 57.93

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• QNT 275 Week 3 Probability Case Study 5.2
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•  
• 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?

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• QNT 275 Week 3 Probability Case Study 5.2
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•  
• 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?

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• QNT 275 Week 3 Quiz
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• 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.

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• QNT 275 Week 4 Apply Connect Week 4 Case
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•  
• Customized Work for QNT 275
• Part 1
• You manage Human Relations for your company. One
  of your sales managers has retired, leaving an
  opening. You are considering two different
  employees for the position. Both are highly
  qualified so you have decided to evaluate their
  sales performance for the past year.

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• QNT 275 Week 4 CLO Business Decision Making
  Project Part 2 (2 Papers)
• For more course tutorials visit
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•  
• 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.

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• QNT 275 Week 4 DQ 1
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•   
• 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
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•  
• 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
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•   
• 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
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•   
• Individual 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.

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• QNT 275 Week 4 Linear Regression Case 12 1
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•  
• 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.

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• QNT 275 Week 4 Practice Connect Knowledge Check
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• Customized Work for QNT 275
• https//uopcourses.com/sd_product/qnt-275-weekly-p
  ractice-connect-knowledge-check-apply-connect-week
  ly-case/
• Based on a random sample of 25 units of product
  X, the average weight is 102 lb and the sample
  standard deviation is 10 lb. We would like to
  decide if there is enough evidence to establish
  that the average weight for the population of
  product X is greater than 100 lb. Therefore, the
  alternative hypothesis can be written as HA µ gt
  100. (Assume the population is normally
  distributed.)

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• QNT 275 Week 4 Practice Set
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•  
• Find z for each of the following confidence
  levels. Round to two decimal places.
• 90
• 95
• 96
• 97
• 98
• 99

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• QNT 275 Week 4 Quiz
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•  
• 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 4 Quiz
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•  
•  
• 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 5 Apply Connect Week 5 Case
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• Customized Work for QNT 275
• QNT 275 Week 5 Apply Connect Week 5 Case
• You are the manager of a retail store. You want
  to investigate how metrics can improve the way
  you manage your business.

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• QNT 275 Week 5 Assignment Business Problem or
  Opportunity Presentation
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•  
• 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.

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• QNT 275 Week 5 CLO Business Decision Making
  Project Part 3 (2 PPT)
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•  
•  
• 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.

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• QNT 275 Week 5 DQ 2
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•   
• 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 2
• For more course tutorials visit
• www.newtonhelp.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
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•   
• 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 course tutorials visit
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•   
• 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.

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• QNT 275 Week 5 Individual Assignment Final z-test
• For more course tutorials visit
• www.newtonhelp.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.

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• QNT 275 Week 5 Practice Connect Knowledge Check
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•  
• QNT 275 Week 5 Practice Connect Knowledge Check
• A sequence of values of some variable or
  composite of variables taken at successive,
  uninterrupted time periods is called a
• seasonal factor.
• cyclical component.
• moving average.
• least squares (linear) trend line.
• time series.

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• QNT 275 Week 5 Practice Set
• For more course tutorials visit
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•   
• 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

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