QNT 351 Doing by learn/newtonhelp.com

1
QNT 351 Doing by learn /newtonhelp.com
2
QNT 351 Doing by learn /newtonhelp.com

• QNT 351 Final Exam Guide (New)
• For more course tutorials visit
• www.newtonhelp.com
•  
• Q1The 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
QNT 351 Doing by learn /newtonhelp.com

• QNT 351 Final Exam Guide (New, 2019) Score 30/30
• For more course tutorials visit
• www.newtonhelp.com
•  
•  
• QNT 351 Final Exam Guide (New, 2018)  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

4
QNT 351 Doing by learn /newtonhelp.com

• QNT 351 Final Exam Guide
• For more course tutorials visit
• www.newtonhelp.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
QNT 351 Doing by learn /newtonhelp.com

• QNT 351 Week 1 Connect Problems
• For more course tutorials visit
• www.newtonhelp.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?

6
QNT 351 Doing by learn /newtonhelp.com

• QNT 351 Week 1 DQ 1
• For more course tutorials visit
• www.newtonhelp.com
•  
• Week 1 DQ1
• Where would you see descriptive statistics used
  in your work place?

7
QNT 351 Doing by learn /newtonhelp.com

• QNT 351 Week 1 DQ 2
• For more course tutorials visit
• www.newtonhelp.com
•  
• Week 1 DQ2
• How would you define dependent and independent
  variables? What is their significance in
  research? Explain with examples.
• Related Tutorials

8
QNT 351 Doing by learn /newtonhelp.com

• QNT 351 Week 1 DQ 3
• For more course tutorials visit
• www.newtonhelp.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

9
QNT 351 Doing by learn /newtonhelp.com

• QNT 351 Week 1 DQ 4
• For more course tutorials visit
• www.newtonhelp.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.

10
QNT 351 Doing by learn /newtonhelp.com

• QNT 351 Week 1 DQ 5
• For more course tutorials visit
• www.newtonhelp.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.

11
QNT 351 Doing by learn /newtonhelp.com

• QNT 351 Week 1 DQ 6
• For more course tutorials visit
• www.newtonhelp.com
•  
• Week 1 DQ6
• What are the four data measurement scales?
  Provide two examples and explain the importance
  of each in business research.

12
QNT 351 Doing by learn /newtonhelp.com

• QNT 351 Week 1 Individual Assignment Statistics
  in Business (2 Sets)
• For more course tutorials visit
• www.newtonhelp.com
•  
• This tutorial contains 2 different Sets of papers
• Define statistics.
• Identify 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.

13
QNT 351 Doing by learn /newtonhelp.com

• QNT 351 Week 1 Introduction to Statistical
  Thinking Worksheet
• For more course tutorials visit
• www.newtonhelp.com
•  
• Complete the Introduction to Statistical Thinking
  Worksheet.
• Format your assignment consistent with APA
  guidelines.
• Click the Assignment Files tab to submit your
  assignment.
• There are 23 people at a party. Explain what the
  probability is that any two of them share the
  same birthday.
• 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)

14
QNT 351 Doing by learn /newtonhelp.com

• QNT 351 Week 2 Connect Problems
• For more course tutorials visit
• www.newtonhelp.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.

15
QNT 351 Doing by learn /newtonhelp.com

• QNT 351 Week 2 DQ 1
• For more course tutorials visit
• www.newtonhelp.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?

16
QNT 351 Doing by learn /newtonhelp.com

• QNT 351 Week 2 DQ 2
• For more course tutorials visit
• www.newtonhelp.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.

17
QNT 351 Doing by learn /newtonhelp.com

• QNT 351 Week 2 DQ 3
• For more course tutorials visit
• www.newtonhelp.com
•  
• Week 2 DQ3
• What level of data is a telephone number? Explain.

18
QNT 351 Doing by learn /newtonhelp.com

• QNT 351 Week 2 DQ 4
• For more course tutorials visit
• www.newtonhelp.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?

19
QNT 351 Doing by learn /newtonhelp.com

• QNT 351 Week 2 DQ 5
• For more course tutorials visit
• www.newtonhelp.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?

20
QNT 351 Doing by learn /newtonhelp.com

• QNT 351 Week 2 Excel Problem Graphical Technique
• For more course tutorials visit
• www.newtonhelp.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

21
QNT 351 Doing by learn /newtonhelp.com

• QNT 351 Week 2 Learning Team Assignment Data
  Collection (2 Sets)
• For more course tutorials visit
• www.newtonhelp.com
•  
• 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.

22
QNT 351 Doing by learn /newtonhelp.com

• QNT 351 Week 2 Probability Worksheet
• For more course tutorials visit
• www.newtonhelp.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.

23
QNT 351 Doing by learn /newtonhelp.com

• QNT 351 Week 2 Team Assignment Descriptive
  Statistics Real Estate Data Part 1 (New)
• For more course tutorials visit
• www.newtonhelp.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.

24
QNT 351 Doing by learn /newtonhelp.com

• QNT 351 Week 3 Connect Problems
• For more course tutorials visit
• www.newtonhelp.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.)

25
QNT 351 Doing by learn /newtonhelp.com

• QNT 351 Week 3 DQ 1
• For more course tutorials visit
• www.newtonhelp.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.

26
QNT 351 Doing by learn /newtonhelp.com

• QNT 351 Week 3 DQ 2
• For more course tutorials visit
• www.newtonhelp.com
•  
• Week 3 DQ2
• What is the role of probability concepts in
  business decision-making? Provide specific
  examples.

27
QNT 351 Doing by learn /newtonhelp.com

• QNT 351 Week 3 DQ 3
• For more course tutorials visit
• www.newtonhelp.com
•  
• Week 3 DQ3
• What are the basic differences between a discrete
  and a continuous distribution?

28
QNT 351 Doing by learn /newtonhelp.com

• QNT 351 Week 3 DQ 4
• For more course tutorials visit
• www.newtonhelp.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.

29
QNT 351 Doing by learn /newtonhelp.com

• Qnt 351 Week 3 Excel Problems Measuring
  Salespeople Performance
• For more course tutorials visit
• www.newtonhelp.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

30
QNT 351 Doing by learn /newtonhelp.com

• QNT 351 Week 3 Individual Assignment Real Estate
  Data
• For more course tutorials visit
• www.newtonhelp.com
•  
• Resources Appendix A1 at the end of Basic
  Statistics for Business and Economics
• Answer question 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.

31
QNT 351 Doing by learn /newtonhelp.com

• QNT 351 Week 3 Team Assignment Sampling
  Distributions Real Estate Part 2 (New)
• For more course tutorials visit
• www.newtonhelp.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.

32
QNT 351 Doing by learn /newtonhelp.com

• QNT 351 Week 3 Team Assignment Summarizing and
  Presenting Data (2 Sets)
• For more course tutorials visit
• www.newtonhelp.com
•  
• 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.

33
QNT 351 Doing by learn /newtonhelp.com

• QNT 351 Week 4 Connect Problems
• For more course tutorials visit
• www.newtonhelp.com
•  
• QNT 351 Week 4 Connect Problem
• 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

34
QNT 351 Doing by learn /newtonhelp.com

• QNT 351 Week 4 DQ 1
• For more course tutorials visit
• www.newtonhelp.com
•  
• Week 4 DQ1
• What are some terms related to hypothesis testing
  with which you are already familiar? Why do null
  and alternative hypotheses have to be mutually
  exclusive?

35
QNT 351 Doing by learn /newtonhelp.com

• QNT 351 Week 4 DQ 2
• For more course tutorials visit
• www.newtonhelp.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?

36
QNT 351 Doing by learn /newtonhelp.com

• QNT 351 Week 4 DQ 3
• For more course tutorials visit
• www.newtonhelp.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?

37
QNT 351 Doing by learn /newtonhelp.com

• QNT 351 Week 4 DQ 4
• For more course tutorials visit
• www.newtonhelp.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?

38
QNT 351 Doing by learn /newtonhelp.com

• QNT 351 Week 4 Excel Problems Measures of
  Relative Standing and ProbabilityDistribution
• For more course tutorials visit
• www.newtonhelp.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?

39
QNT 351 Doing by learn /newtonhelp.com

• QNT 351 Week 4 Individual Assignment Real Estate
  Data
• For more course tutorials visit
• www.newtonhelp.com
•  
• Resources Appendix A1 at the end of Basic
  Statistics for Business and Economics
• Answer question 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.

40
QNT 351 Doing by learn /newtonhelp.com

• QNT 351 Week 4 Learning Team Reflection (2 Sets)
• For more course tutorials visit
• www.newtonhelp.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

41
QNT 351 Doing by learn /newtonhelp.com

• QNT 351 Week 4 Two Population Means Worksheet
• For more course tutorials visit
• www.newtonhelp.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.

42
QNT 351 Doing by learn /newtonhelp.com

• QNT 351 Week 5 Individual Assignment Real Estate
  Data
• For more course tutorials visit
• www.newtonhelp.com
•  
• Resources Appendix A1 at the end of Basic
  Statistics for Business and Economics
• Answer question 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.

43
QNT 351 Doing by learn /newtonhelp.com

• QNT 351 Week 5 Learning Team Assignment Analyzing
  and Interpreting Data Paper and Presentation
• For more course tutorials visit
• www.newtonhelp.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

44
QNT 351 Doing by learn /newtonhelp.com

• QNT 351 Week 5 Team Assignment Real Estate
  Regression Exercise (New)
• For more course tutorials visit
• www.newtonhelp.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.

45
QNT 351 Doing by learn /newtonhelp.com