Statistics

Attached Files:

Included with this assignment is an Excel spreadsheet that contains data with two dimension values.

The purpose of this assignment is to demonstrate steps performed in a K-Means Cluster analysis.

Review the “k-MEANS CLUSTERING ALGORITHM” section in Chapter 4 of the Sharda et. al. textbook for additional background.

Use Excel to perform the following data analysis.

  1. Plot the data on a scatter plot.
  2. Determine the ideal number of clusters.
  3. Choose random center points (centroids) for each cluster. (Note:  Each student will select a different random set of centroids.)
  4. Using a standard distance formula measure the distance from each data point to each center point.
  5. Assign each data point to an initial cluster region based on closeness.
  6. For each cluster calculate new center points.
  7. Repeat steps 4 through 6.

You will use Excel to help with calculations, but only standard functions should be used (i.e. don’t use a plug-in to perform the analysis for you.)  You need to show your work doing this analysis the long way.  If you were to repeat steps 4 through 6, what will likely happen with the cluster centroids?  

Here is a link to an example spreadsheet using a smaller data set.  It contains two tabs.  The first tab is the raw data.  The second tab contains the analysis that was performed.  Make sure that you use a different starting center points from the example.

Example Excel Analysis

 
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Leading Organizational change

MUST BE 400 word count FOR EACH ASSIGNMENT (TWO ASSIGNMENTS TOTAL)

ANY OUTSIDE SOURCES MUST BE IN APA FORM THROUGHOUT THE PAPER AND WITH AN REFERENCE PAGE.  ALL SOURCES MUST BE FROM SCHOLARLY ARTICLES…

Assignment 1

Using a PROQUEST DATABASE

find an article that reviews an organizational change initiative.

ANSWER THE FOLLOWING TWO QUESTIONS BELOW THOROUGHLY

1. Summarize the article and discuss the successes and failures of the change process.

2.Analyze the strategies used for the change process and why they were a success or failure.

(Use concepts found in our text to support your points.)

Assignment 2

The six images of managing change in business (roles) are in play and each of the images is based on differing assumptions

Director, Navigator, Caretaker, Coach, Interpreter, Nurturer…

ANSWER THE FOLLOWING QUESTIONS BELOW THOROUGHLY

1.Select two of the images.

2. Evaluate each image and then compare and contrast the role that the images play within the change process.

 
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Leading Organizational change

In a three DOUBLE SPACED PAGE paper (excluding the title and reference pages), reflect on an important professional change that you have experienced. Compare your change story to one of the stories from the beginning of Chapter 1 of the text. Answer the following questions and support your thoughts with at least two scholarly sources.



In your paper you must: ANSWER ALL FOUR QUESTIONS BELOW THOROUGHLY

  • Describe your change story and the one selected from Chapter 1 of the text.
  • identify and discuss the embedded lesson found in the four change stories of Chapter 1.
  • Describe how you might use the lessons as a solutions template during future change strategies.

Your paper should include in-text citations and references for at least two scholarly sources, in addition to the course text, and it should be formatted according to APA style THROUGHOUT THE PAPER AND WITH AN REFERENCE PAGE.

You must read this below and incorporate it in your paper also

 
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Decision Making For Mangers & Data Analysis

Sarah Chang is the owner of a small electronics company. In six months, a proposal is due for an electronic timing system for the next Olympic Games. For several years, Chang’s company has been developing a new microprocessor, a critical component in a timing system that would be superior to any product currently on the market. However, progress in research and development has been slow, and Chang is unsure whether her staff can produce the microprocessor in time. If they succeed in developing the microprocessor (probability p1), there is an excellent chance (probability p2) that Chang’s company will win the $1 million Olympic contract. If they do not, there is a small chance (probability p3) that she will still be able to win the same contract with an alternative but inferior timing system that has already been developed. 

If she continues the project, Chang must invest $200,000 in research and development. In addition, making a proposal (which she will decide whether to do after seeing whether the R&D is successful) requires developing a prototype timing system at an additional cost. This additional cost is $50,000 if R&D is successful (so that she can develop the new timing system), and it is $40,000 if R&D is unsuccessful (so that she needs to go with the older timing system). Finally, if Chang wins the contract, the finished product will cost an additional $150,000 to produce.

a. Develop a decision tree that can be used to solve Chang’s problem. You can assume in this part of the problem that she is using EMV (of her net profit) as a decision criterion. Build the tree so that she can enter any values for p1, p2, and p3 (in input cells) and automatically see her optimal EMV and optimal strategy from the tree.

b. If p2 = 0.8 and p3 = 0.1, what value of p1 makes Chang indifferent between abandoning the project and going ahead with it?

c. How much would Chang benefit if she knew for certain that the Olympic organization would guarantee her the contract? (This guarantee would be in force only if she were successful in developing the product.) Assume p1 = 0.4, p2 = 0.8, and p3 = 0.1.

d. Suppose now that this is a relatively big project for Chang. Therefore, she decides to use expected utility as her criterion, with an exponential utility function. Using some trial and error, see which risk tolerance changes her initial decision from “go ahead” to “abandon” when
p1 = 0.4, p2 = 0.8, and p3 = 0.1.

 
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FINAL PAPER LEADING ORGANZATIONAL CHANGE

PLEASE FOLLOW DIRECTIONS THOROUGHLY BELOW….

Final Paper



Focus of the Final Paper



We have determined that change is inevitable and subject to a number of variables attributing to the success or failure of the change process. The Final Paper is an exploration of a change initiative that you have personally experienced or researched. The paper should demonstrate your knowledge of the change process through a comprehensive analysis and discussion of the following aspects of organizational change. Your paper must include:

  • PLEASE ANSWER ALL LETTERS BELOW
  • A. An identification and description of a professional change initiative personally experienced or researched.
  • B. discussion of the change initiative as seen through the eyes of the leader and the follower.
  • C. discussion of the successes and failures experienced during the change event.
  • D. An analysis of the concepts and theories used to facilitate the change process.
  • E. An evaluation of the impact of the change upon the organization.
  • F. A discussion on the sustainability of the change effort.

G. You must incorporate concepts and theories relating to the change process as they apply to each section of the paper.

PLEASE MAKE SURE THIS PAPER IS WRITTEN IN AN ORGANIZED MATTER….USE PROPER WRITNG SKILLS PRONUNCIATIONS AND GRAMMAR…PLEASE PROOFREAD YOUR ASSIGNMENT BEFORE TURNING IT IN….

THIS IS AN EIGHT DOUBLE SPACED PAGE PAPER...

YOU MUST HAVE FIVE SCHOLARLY SOURCES USED…THEY MUST BE IN APA FORMAT THROUGHOUT THE PAPER AND WITH A REFERENCE PAGE TOO…

FOLLOW THE GUIDELINES BELOW ON HOW TO WRITE THIS PAPER PROPERLY…

Writing the Final Paper



The Final Paper:

  1. Must be eight double spaced pages in length (excluding the title and reference pages), and formatted according to APA style.
  2. Must include a title page with the following:
    1. Title of paper
    2. Student’s name
    3. Course name and number
    4. Instructor’s name
    5. Date submitted
  3. Must begin with an introductory paragraph that has a succinct thesis statement.
  4. Must address the topic of the paper with critical thought.
  5. Must use headers to identify the specific aspect of change within the paper.
  6. Must end with a conclusion that reaffirms your thesis.
  7. Must use at least five scholarly sources.
  8. Must document all sources in APA style as outlined in the Ashford Writing Center.
  9. Must include a separate reference page that is formatted according to APA style.
 
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unit 6 assessment

Question 1       

Discuss the physical and chemical characteristics of sludge and other solids produced during wastewater treatment operations. Be sure and provide additional focus on digested primary sludge and anticipated heavy metal content in sludge.

Your response should be at least 200 words in length.

Question 2       

Discuss the available technologies for dewatering sludge. Be sure and describe the benefits and limitations of belt filter presses compared to recessed plate filter presses.

Your response should be at least 200 words in length. 

Question 3       

Discuss the reason for creating cake in the system. Be sure and discuss the concepts of sludge conditioning as a means of total solids removal from the waste stream.

Your response should be at least 200 words in length. 

 Question 4       

Discuss the sources of sludge and other solids from conventional wastewater treatment systems.

Your response should be at least 200 words in length.

 
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Antitrust Case Analysis

Using the Health Care page of the U.S. Department of Justice Antitrust Division website, locate three antitrust law cases. Write a 500-750 word analysis of each case that describes the following:

  1. A brief overview of the particulars of the case.
  2. The impact of the case on the law and powerbrokers.
  3. Concerns regarding the case in the role of a health care leader.

Prepare this assignment according to the guidelines found in the APA Style Guide, located in the Student Success Center. An abstract is not required.

This assignment uses a rubric. Please review the rubric prior to beginning the assignment to become familiar with the expectations for successful completion.

You are required to submit this assignment to LopesWrite. Please refer to the directions in the Student Success Center.

 
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Operations management week 5

THESE ARE TWO SEPEARATE ASSIGNMENTS PLEASE SEPERATE THE TWO FROM EACHOTHER WHEN WRITING THEM USE THE QUESTION AS A HEADLINER TO SEPERATE THE TWO ASSIGNMENTS…BOTH ASSIGNMENTS MUST BE 400 WORD COUNT….ANY OUTSIDE SOURCES MUST BE PROPERLY CITED IN APA FORM WITH AN REFERENCE PAGE….THE SOURCES MUST BE FROM SCHOLARLY ARTICLES

ASSIGNMENT 1

1.Explain how MRP can decrease a company’s inventory while improving its customer service level. Include a real-life example.



Assignment 2



2. Describe the perpetual and the periodic inventory systems. How are they different?

Are there circumstances in which one system is better than the other? Include real-life examples.

 
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Operations management disc 2

Read Problem 6: The “Monique Food Processing Company” in Chapter 8 of your text.  



Monique Food Processing Company produces light snacks that can be heated in a microwave. The following steps are included in the process:

Steps Description Capacity (Units/Hour)
1 Prepare food 200
2 Measure and place in plastic pouch 175
3 Prepare cardboard box 200
4 Insert pouch into box 300
5 Shrink-wrap box 200
  • What is the system capacity, and which is the bottleneck department?
  • How much slack (unused capacity) is available in other departments?
  • How much system capacity can be gained by adding capacity to the bottleneck?
  • What are the key factors that determine when to add capacity?
  • Why would an organization want to reduce its capacity?   



Make and include calculations.  Answer questions a – e. Your initial post should be 400 words.

 
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The Social Ladder SOC-343

Students will write an 8-page paper, using one of the following three options. The paper will include a title page and reference page (no abstract) and be formatted using the ASA formatting style. It will be submitted to Turnitin.com. Students are encouraged to check their paper with www.Grammarly.com/edu/ before submitting the final version.

Essay Option 1: Read and analyze the New York Times daily. Choose one section to analyze every day for at least four weeks. Focus on one group: the wealthy, middle class, the working class, or the poor. Apply related concepts about your text book and reader. You must provide specific examples from at least ten articles published during the semester to support your conclusions. You should begin work on this assignment immediately by choosing the section of your interest (the front or business sections, or contact instructor if you want to analyze a different section). Save the articles electronically.  Please note: The online version of the New York Times that you can access through general browsers is not complete (some sections are restricted to online subscribers). You may access the complete New York Times using the Cannon Memorial Library online databases.

Essay Option 2: Read Nickel and Dimed: On (Not) Getting by in America by Barbara Ehrenreich (listed in the optional texts section). Discuss the obstacles faced by the working poor as illustrated in this book, and research the cost of living for a single parent of two children in your city while working a minimum wage job. For example, how much is an apartment? Utilities? Bus fare? Health care? Food? Clothes? Opening a bank account? Your essay should also address how being poor is paradoxically expensive for those struggling to get by.

Essay Option 3: Read at least two books about how to get rich (such as Suze Orman’s The Courage to be Rich, Robert T. Kiyosaki’s Rich Dad, Poor Dad or David Bach’s The Automatic Millionaire or any other book written for a general audience on the subject). What are some of the assumptions these books make about American society? What do these books overlook about the American class structure? How do they employ the Horatio Alger myth? Apply key ideas from class to critically analyze the idea that anyone who tries hard enough can be wealthy.

 
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