MAT 540 Week 2 DQ 2 Correlation and Causation
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Correlation and Causation.v 6 titled “Spurious Correlation by Lurking Variables”. This describes an observed correlation that may be caused by the influence of a third variable. Describe and cite a study where the correlation may be spurious. Alternately, you may choose to create and describe your own study where the observed correlation may be influenced by a third variable. Respond to at least two of your classmates’ posts.
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Focus of the Final Paper
In this six to eightpage research paper, you will explore in detail one of the statistical approaches to research discussed in the course, applying it in the context of a specific application or methodological study. This will help you gain a deeper understanding of..

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Statistical Concept. Describe the most important statistical concept that you learned in the course. How do you think you will be able to use the information? Respond to at least two of your classmates’ posts.
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Confidence Intervals. Find an article that incorporates research of confidence intervals to market a new product. Summarize the information gained from your research. Based on the research, is it wise to go ahead and market the product? Support your ideas with cited sources. Respond to at least t..

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Repeated Sampling. In Chapter 8 of your text, read the interpretation of confidence intervals. Find a journal article from the library that incorporates repeated sampling. This may be stated or implied. Use the explanation in the last paragraph of the section on interpretation of confidence inter..

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Standardized Testing. Paul states that he scored in the 100th percentile on a given standardized test. Do you believe him? Why or why not? Respond to at least two of your classmates’ posts.
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Normal or BellShaped Curve. Find a study where the distribution follows a normal or bellshaped curve. An example of a normal distribution or bellshaped curve, called “Heights of Red Pine Seedlings”, is located in the beginning of Chapter 6 in the book. . Cite the source of the study you’ve sel..

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Probability Video Analysis. Find a video that provides help with learning probability. Why do you like it and what did you learn? Visit this helpful website (http://www.khanacademy.org/) to assist you with your search. Respond to at least two of your classmates’ posts.
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Actuaries. Actuaries work with statistics and probabilities each day. What do actuaries do and what test do they take? Respond to at least two of your classmates’ posts
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Correlation and Causation.v 6 titled “Spurious Correlation by Lurking Variables”. This describes an observed correlation that may be caused by the influence of a third variable. Describe and cite a study where the correlation may be spurious. Alternately, you may choose to create and describe you..

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Scatter Plot. Provide a link for a picture of a scatter plot where the r value is not given. Estimate what you think the r value would be and explain why. Respond to at least two of your classmates’ posts
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Qualitative vs. Quantitative. Describe a recent study where data was gathered. If possible, explain whether it is a qualitative or quantitative study, and whether the data is discrete or continuous. What type of graph would you use to describe the data and why? Respond to at least two of your cla..

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Gallup Poll. Describe a recent Gallup poll. Be sure to include the results of the poll, how the poll was conducted, and what the results will be used for. Respond to at least two of your classmates’ posts.
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MAT 540 Week 1 DQ 1 Gallup Poll
MAT 540 Week 1 DQ 2 Qualitative vs. Quantitative
MAT 540 Week 2 DQ 1 Scatter Plot
MAT 540 Week 2 DQ 2 Correlation and Causation
MAT 540 Week 3 DQ 1 Actuaries
MAT 540 Week 3 DQ 2 Probability Video Analysis
MAT 540 Week 4 DQ 1 Normal or BellS..

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MAT 540 Week 1 Quiz 1
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MAT 540 Week 2 Quiz 2
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mat 540 week 3 quiz 3
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MAT 540 Week 4 Quiz 4
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MAT 540 Week 2 Assignment 1 Final Paper Draft
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Discussion assignment and transshipment problems
Select one (1) of the following topics for your primary discussion posting:
• Explain the assignment model and how it facilitates in solving transportation problems. Determine the benefits to be gained from using this model.
• Identify ..

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MAT 540 Week 10 Homework Chapter 6
1. Consider the following transportation problem:
From To (Cost) Supply 1 2 3 A 6 5 5 150 B 11 8 9 85 C 4 10 7 125 Demand 70 100 80
Formulate this problem as a linear programming model and solve it by the using the computer.
&nbs..

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Week 9 Discussion
Explain how the applications of Integer programming differ from those of linear programming. Give specific instances in which you would use an integer programming model rather than an LP model. Provide realworld examples.
..

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MAT 540 Week 9 Homework  Chapter 5
1. Rowntown Cab Company has 70 drivers that it must schedule in three 8hour shifts. However, the demand for cabs in the metropolitan area varies dramatically according to time of the day. The slowest period is between midnight and 4:00 A.M. the dispatcher ..

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MAT 540 WEEK 8 DISCUSSION
Practice setting up linear programming models for business applications
Select an evennumbered LP problem from the text, excluding 14, 20, 22, 36 (which are part of your homework assignment). Formulate a linear programming model for the problem ..

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Week 8 Project
You are a portfolio manager for the XYZ investment fund. The objective for the fund is to maximize your portfolio returns from the investments on four alternatives. The investments include (1) stocks, (2) real estate, (3) bonds, and (4) certificate of dep..

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1. Betty Malloy, owner of the Eagle Tavern in Pittsburgh, is preparing for Super Bowl Sunday, and she must determine how much beer to stock. Betty stocks three brands of beer Yodel, Shotz, and Rainwater. The cost per gallon (to the tavern owner) of each brand is as follows:
..

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Discuss sensitivity analysis
Select one (1) of the following topics for your primary discussion posting:
• Identify any challenges you have in setting up a linear programming problem in Excel, and solving it with Solver. Explain exactly what the challenges are and why they are challenging..

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MAT 540 Week 7 Homework Chapter 3
1. Southern Sporting Good Company makes basketballs and footballs. Each product is produced from
two resources rubber and leather. Each basketball produced results in a profit of $11 and each
football earns $15 in profit. The resource requi..

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Discuss LP Models
Select one (1) of the following topics for your primary discussion posting:
• The objective function always includes all of the decision variables, but that is not necessarily true of the constraints. Explain the difference between the objective function and the constrai..

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MAT 540 Week 6 Homework Chapter 2
1. A Cereal Company makes a cereal from several ingredients. Two of the ingredients, oats and rice,
provide vitamins A and B. The company wants to know how many ounces of oats and rice it should
include in each box of cereal to meet the min..

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"Reflection to date Please respond to the following: In a paragraph, reflect on what you've learned so far in this course. Identify the most interesting, unexpected, or useful thing you've learned and explain why
..

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Discuss Forecasting Methods
Select one (1) of the following topics for your primary discussion posting:
• Identify any challenges you have in setting up a timeseries analysis in Excel. Explain what they are and why they are challenging. Identify resources that can help you with that.
..

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MAT 540 Homework Chapter 15
1. The manager of the Carpet City outlet needs to make an accurate forecast of the demand for Soft Shag carpet (its biggest seller). If the manager does not order enough carpet from the carpet mill, customer will buy their carpet from one of Carpet City’..

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Select one (1) of the following topics for your primary discussion posting:
Identify the part of setting up a simulation in Excel that you find to be the most challenging, and explain why.
Identify resources that can help you with that. Explain how s..

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MAT 540 Week 3 Homework Chapter 14
1. The Hoylake Rescue Squad receives an emergency call every 1, 2, 3, 4, 5, or 6 hours, according to
the following probability distribution. The squad is on duty 24 hours per day, 7 days per week:
Time Between
a. Simulate th..

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In your own words, explain how to obtain the “expected value of perfect information” for any payoff table, which has probabilities associated with each state of nature. Then, provide an example, drawing from any of the payoff tables in Problems 117 in the back of Chapter 12. If no probabilities ..

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MAT540
Week 2 Homework
Chapter 12
1. A local real estate investor in Orlando is considering three alternative investments; a motel, a restaurant, or a theater. Profits from the motel or restaurant will be affected by the availability of gasoline and th..

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"Class Introductions" Please respond to the following:
• Please introduce yourself, including your educational and career goals, as well as some personal information about yourself. In your introduction, please draw from your own experience (or use a search engine) to give an example of..

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MAT 540 Week 1 Homework Chapter 1
1. The Retread Tire Company recaps tires. The fixed annual cost of the recapping operation is
$65,000. The variable cost of recapping a tire is $7.5. The company charges$25 to recap a tire.
a. For an annual volume of 15, 000 tire, determine..

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This Tutorial contains 5 Sets of Midterm Exam
MAT 540 Midterm Exam Set 1
Question 1 Deterministic techniques assume that no uncertainty exists in model parameters.
Question 2 &nb..

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This Tutorial contains 20 Sets of Final Exam (800 Questions/Answers)
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MAT 540 Week 1 Discussion Class Introductions
MAT 540 Week 2 Discussion Expected value of perfect information
MAT 540 Week 3 Discussion Simulation
MAT 540 Week 4 Discussion Forecasting Methods
MAT 540 Week 5 Discussion Reflection
&nb..

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MAT 540 Week 1 Homework Chapter 1 and Chapter 11
MAT 540 Week 2 Homework Chapter 12
MAT 540 Week 3 Homework Chapter 14
MAT 540 Week 4 Homework Chapter 15
MAT 540 Week 6 Homework Chapter 2
MAT 540 Week 7 Homework Chap..

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MAT 540 Midterm Exam (5 Sets)
MAT 540 Final Exam (20 Sets)
MAT 540 Week 1 Homework Chapter 1 and Chapter 11
MAT 540 Week 2 Homework Chapter 12
MAT 540 Week 3 Homework Chapter 14
MAT 540 Week 4 Homework Chapter 15
..
