Premium Essay

How Many Clues Do I Need for Limits

In: Business and Management

Submitted By zhwel329
Words 1925
Pages 8
How Many Values Do I Need for Limits?
Donald J. Wheeler
What happens when we use only a few values to create an XmR Chart? There are three aspects to the behavior of the chart that are of interest here. What happens to the number of a false alarms? What happens to the ability of the chart to detect a change? And what happens when the baseline data contain a signal? THE LIKELIHOOD OF A FALSE ALARM Mathematical theory tells us that the risk of a false alarm whenever we place a point on an X-Chart is approximately 0.27%. But what happens to this risk when only k values have been used to compute the limits? Simulation studies provide the answers shown in Table 1 and Figure 1.

Effective Alpha-Level of Chart


k even Limits Based on Median Moving Ranges

1.0% 0.5%

k odd

Theoretical 0.27% 0.0% k 5 Limits Based on Average Moving Ranges 10 15 20 25 30 Number of Values Used to Compute Limits 35 40

Figure 1: The Effective Alpha-Levels for the Computed Limits The bottom curve in Figure 1 shows the effective alpha-levels for the limits based on the Average Moving Range. These alpha-levels rapidly approach the theoretical value and then plateau. The two upper curves are for limits based on a Median Moving Range. Both curves show that the effective alpha-level drops down toward the theoretical value as k increases. Moreover, while these limits do have larger effective alpha-levels than limits based on the Average Moving Range (as was expected), these effective alpha-levels do not exceed one percent except when k is 4, 6, 8, or 10. Since an alpha-level of 1.7% is still considered to be a conservative alpha-level, we do not loose the conservative nature of the charts even when the limits are based on few data. Based on Figure 1 it should be clear that we can construct an XmR Chart using as few as four original values without an undue risk of a false alarm.…...

Similar Documents

Premium Essay

How Do I Learn Best

...Learning is part of development and based on how well a person learns , may become more or less successful in life . People have preferences to different learning styles and techniques and they may favor one style or use multiple styles. There is no right or wrong mixture. You can have the ability in less dominant styles and also improve on a well develop styles that, you already use .If you recognize and understand your own learning styles, you can use those techniques better .At the end , by doing that you will improve the speed and quality of your learning. The seven different learning styles are: • Visual (spatial): for those who prefer to use pictures, images, and spatial understanding. • Aural (auditory-musical): for people prefer to use sound and music. • Verbal (linguistic): if your preference is using words in speech and writing. • Physical (kinesthetic): when you using your body and hands as a sense of fell and touch. • Logical (mathematical): is a preferred method for using logic, reasoning and systems. • Social (interpersonal): learning is accomplished in groups or with other people. • Solitary (intrapersonal): preferred method of learning is alone and use self-study. VARK questioner score was designed by Neil Fleming as a helpful description of communicating strategies. My VARK score is: Visual: 14 Aural: 13 Read/Write: 15 Kinesthetic: 10 Based on this questioner my learning style is described as multimodal and it was very ......

Words: 760 - Pages: 4

Free Essay

The Vark Questionnaire: How Do I Learn Best?

...The VARK Questionnaire: How Do I Learn Best? VARK questionnaire is composed of many fundamentals that associated with people’s preferred learning styles. VARK questionnaire help leaners identify their specific learning methods to focus on learning material with important segments. Any profession can use VARK learning methods to teach or introduce study materiel to their associates. The VARK questionnaire is based on four scores and there are five different learning strategies and they are, multimodal, visual, aural, read-write, kinesthetic. When an Individual takes the VARK questionnaire assessment, they will be scored under these four learning methods: visual aural, read/write, and kinesthetic. Each individual learning method are different, also it could be situational to the subject, environment and subject approach. After conducting VARK questionnaire, the results show my learning preference is multimodal. And according to VARK, if you have multiple preferences you are in the majority, as approximately 60% of any population fits that category (please use citation from VARK Multimodal study strategy_). My learning method scores are, visual 11, aural 11, read/write 13, and kinesthetic 11. Multimodal individuals’ shift their learning preferences depend up on matter of subject or certainty of subject. Changing learning preference according to the situation is significant to multimodal learners. According to VARK questionnaire Designer Neil D Fleming, there are two......

Words: 591 - Pages: 3

Free Essay

How Do I See Myself

...How do I see myself five years from now? By year 2018, instead of being an astronaut which I cannot fail to remember as my ambition when I was little just like any other kid of my age, I shall have been an alumnus of CvSU getting my certificate in electrical technology. I also see myself in the corporate world applying the skills and knowledge I have in my chosen field and along with the stable job I have is the wellbeing of my family. In the first place, who would not want to help their family and by some means repay the hardships they’ve been through just to support your schooling? Similarly, I also see myself and my family not experiencing the problems we’ve encountered in the past years especially when it comes to money matters. Instead, we shall have been living a comfortable and happy life. Five years from now, aside from support I give to my family, I also see that by this time I have met the girl whom I can spend my whole life with. Moreover, I shall have also saved a certain amount of money, visited many places and have experienced some leisure for myself, let's say, vacations, out-of-town trips, mountaineering, etc. What’s more important is that by this time I see myself believing in the words my loved ones have told me: Through the education that we can acquire, we shall realize that we are not powerless in the future; that our choices will bring us to certain goals. And this is what my degree will provide me. PRAYER Almight God, we praise your Holy Name......

Words: 321 - Pages: 2

Premium Essay

How Do I Learn

...Title : How do I learn? “Live as if you were to die tomorrow. Learn as if you were to live forever” (Mahatma Gandhi 1869-1948). Throughout life humans go through learning process. Learning is defined as obtaining information or skills through observation, study or experience. There are different types of learning styles according to Kolb’s learning theory (Payne,E. and Whittaker. L, 2006). Each individual learns in a different way, simply because they perceive and execute information or experience in their own preferred style. Kolb (1984) describes that there are four learning styles which would be Converger, Diverger, Assimilator and Accommodator respectively. I see my-self best fit into Diverger and Accommodator learning styles. According to Kolb, a diverger learner is good at applying concrete experience and reflective observation. A diverger is able to view things from different perspectives and often learn through observation. They also tend to solve problems using imaginations and carries feeling oriented personality. Divergers prefer to be an observant rather than taking part in any situations or issues. Kolb says that divergers perform well in situation where it requires generating ideas such as brainstorming. They often influenced by others, enjoy working in a group, like to receive positive feedback, and prefer to learn via logical instructions. For example, I had an interesting learning curve during my past working experience as a software programmer. For......

Words: 539 - Pages: 3

Premium Essay

Critical Essay on "How Do I Love Thee?"

...of three components; intimacy, passion and commitment, it is an emotional and physical feeling which takes over your whole state of mind and how you feel. There are many definitions and views of love, and the Merriam-Webster dictionary has ten definitions for love in it but it seems as though it doesn’t have any good definitions of love. However I carefully searched for an adequate definition and it was found in the most surprising place, a place that should have been the most obvious but not wanting to start controversy, I refused to see what was sitting right in front of me, a poem. One might say that a poem couldn’t possibly demonstrate the meaning of love. Conversely, many disagree; a poem could in fact demonstrate the meaning and feeling of love. A poem are the words that come from a person’s heart, mind, or soul, meaning it is personal and no one can know the true definition and meaning of something unless one has experienced it. With that being said, a poem, specifically, a poem by Elizabeth Barrett Browning, “How Do I Love Thee?” demonstrated the preeminent meaning of love, compared to all other meanings, this definition has to be the best. This particular poem is important to study because it is popular to American poets, literature authors, and journalists. It is a famous love poem reviewed, critiqued, and interpreted by many, and majority of the people who come across it find it interesting. Personally it is interesting because of the way it is written, it is......

Words: 3004 - Pages: 13

Premium Essay

How Long Do I Have Left

...There is a time limit on life with cancer\ In Paul Kalanithi’s article, “How Long Have I Got Left?, Paul describes his life battling with lung cancer and not being able to ever know how long he has left to live. He had masses of tumors lining the lungs and creating a deformation of the spine. During the process of treatments and doctor appointments he would tell himself to be honest about the prognosis but always leave room for some hope. He was constantly asking doctors how much longer he was going to have left to live; was it a matter of days to weeks or weeks to a few months or months to a few years? As a doctor himself, Kalanithi understands that the most effective and accurate way to describe a patient’s prognosis is to be honest about it. He believes that the life of a cancer patient is highly unpredictable, so providing them with numbers and statistics can be very misleading. I think the thesis of this article is as he stated, “The certainty of death was easier than this uncertain life”(Kalanithi 3) . This article is written with various examples of cancer patients who are battling cancer and really do not know how much longer they have to survive. He used himself as an example to support his argument and stated that if he knew how much time he had left he would accomplish so many things in life. If he had a couple months left he would spend time with his family, if he had one more year left he would write his book, if he had 10 year’s he would go back to being a......

Words: 687 - Pages: 3

Premium Essay

I Dont Have a Clue

...Overview This wide ranging and inspiring programme will develop your ability to make critical analysis and evaluations relevant to management. This is achieved by building an understanding of the forces at work in business alongside knowledge of management techniques. You will study key strategic issues including financial management, human resource management, marketing, management and organisational innovation. This strategic focus means our students are up to date with new developments and possibilities across many business sectors. Our emphasis on the interconnected nature of business management and society often leads us to consider questions that are not traditionally considered to be within the remit of a business school, for example critical and postmodern theories of organisations, and social dynamics in societies. We believe that this interconnected approach is central to the scholarship and teaching that needs to take place in a modern business school. There is currently a huge demand for new business leaders who can see the big picture of the relationship between business and society, and who can understand the centrality of sustainability, human development, democracy and accountability in business practices. This programme will prepare you to take up the challenge of addressing complex business and management issues in your future work. Why study Business Management at Queen Mary? We have built a strong reputation for our distinctive approach, in......

Words: 424 - Pages: 2

Free Essay

How, How Do I Love Thee? a Rhetorical, Rhetorical Analysis

...How, How Do I Love Thee? A Rhetorical, Rhetorical Analysis The search for a soulmate always lurks in the minds of single young adults. People want someone who possesses similar qualities, yet at the same time, they want someone who will fill their flaws and make them a better person. For some, this process of finding the perfect partner can take years upon years, but the 21st century technology of online dating sites now allows prospective users to find potential dates within a few days. While this may sound like a breakthrough in the science of relationships, doubt regarding its viability exists. Lori Gottlieb, a renowned author who often focuses on the topic of online matchmaking, asks the question, “In the subjective realm of love, can cold, hard science help?” (2) To answer this question, Gottlieb endures countless hours of research, interviews, and simulations, writing her article “How Do I Love Thee?” as a final masterpiece to display her findings. Through a sarcastic tone, witty asides, specific details, and emotional, logical, and ethical appeals, Gottlieb effectively illustrates her discoveries on whether or not science can truly determine compatibility and lasting love. Before she places her opinion on display, Gottlieb first builds up the article with interesting statements to keep the reader engaged. She frequently inserts her own sarcastic opinions into her article, sometimes through asides and parenthesis, and other times through appositives or......

Words: 1685 - Pages: 7

Free Essay

Am I Doing All I Need to Do? Am I Being All I Need to Be?

...English B/D “Am I doing all I need to do? Am I being the person I want to be?” I have been having a hard time for a while now, fir many months I felt like I lost my purpose in life. Not being able to achieve my goals of becoming a United States Navy SEAL, I was in distraught, I had no direction anymore, lost is where I was. My GPS was taken from me, I could not find my way, for a while to believe that I was going to be a firefighter, or go into the Coast Guard. Those careers where just fumes, my determination could blow away with them easily, they give me peace. I no desire for any other career what so ever. Although, for months I had actually believed that it wasn’t in the cards for me to do what I had always wanted to do, that I was not destined to a US Navy SEAL. About two in a half to three weeks ago the fire inside me pretty dim, I had really felt like it burnt out for good. Then one afternoon at school during fourth block, that period is free for me, I heard from Mr. Hoffman that there is a fair going on in the library, I looked and there was nothing. Right after that college “sponsors” came around the corner, so I went in and the four branches of the US Military were already present. I saw the US Navy there, and immediately I had to check it out, I talked to both of the recruiters there and about how I wanted to be a US Navy SEAL, they were extremely interested. I also spoke about my girlfriend Jennifer Sanz to them and how she wants to be a Dentist,......

Words: 384 - Pages: 2

Free Essay

How Good Do I Have to Look?

...Alghazali, 1 Sally Alghazali Professor Josh Hall English 109 23 February 2015 How Good Do I Have to Look? How many times people looked in the mirror and wanted to change the way they look? Many people are not satisfied with how they look and want to change their appearance constantly. The reason behind this unsatisfied feeling is because of our society’s obsession with physical appearance. From a very young age, people are being forced to look in a certain way, and to be judged according certain standards in order to be defined beautiful. The obsession of beauty has brought a huge transformation in people’s perspective about their appearance, and made people become more concern about their outer beauty than anything else. During history the standards of beauty had changed significantly and people have altered the concept of “beautiful”. The word beautiful does not hold one concept anymore. The definition of beauty is changing according to what the society preserve as beautiful and attractive. People have hopped from one side of spectrum to another in terms of beauty. For instant, in ancient Egypt, Cleopatra was considered as amazingly beautiful queen, but with today’s standards she would be known as unattractive women for her large nose. Women in the 1900 used to look curvy in order for them to be defined “beautiful”. However today, the idol look for women’s body is to be very thin and tall – Model fashionable body-. The standards of these traits have......

Words: 530 - Pages: 3

Free Essay

How Do I Get Paid?

...How Do I Get Paid? HRM 531 May 2, 2011 Brian Frank How Do I Get Paid? The employment team I have been given responsibility of, consists of five employees. Their job titles and duties range from one spectrum to the other. Their job functions are purchasing, billing, two customer service representatives, and a graphics designer. With some being more administration work and some being sales, I had to devise a compensation plan that would fit everyone. This new compensation plan will take into account their evaluation score and their level of pay when compared to other employees with the same job title in the industry or compa ratio. The new plan will be set to a graph. The x axis will be the compa ratio and the y axis will be their yearly evaluation score. Where the two points meet will determine the percent of pay the employee will receive. If by chance an employee is at the top of their compa ratio, a one-time payment will be calculated. This calculated amount will be given as a onetime check instead of the hourly pay increase for the year. This system is designed to bring up the newer employees who have a low compa ratio and don’t have to work for the company twenty years to get a significant salary. Some employees may ask how this will work. The individual evaluations are based partially on department or company goals and then the remaining percent is based on direct goals for that employee. In order to get a higher percent pay raise, the employee will......

Words: 824 - Pages: 4

Premium Essay

How Do I See Myself

...Personal and Public Speech How I See Myself How do I see myself? Well, I see myself as a lot of thing. I try to be a friendly and kind of person because I like the way you tend to get treating back from other. Like the golden rule says "treat others how you want to be treated", I always live my life according to that because I don’t like the feeling of being disrespected. I am the type of person to tell you straight, meaning if you're doing something wrong, I'll be that person to confront you and tell you that’s not right. I do have a short temper, so if anyone pisses me off, I like to settle it and put it all behind us. I am very competitive when it comes to sports so I tend to get in your head by calling you names, talking trash etc, just to win. I am a very funny and weird guy when you get to know me, but I don’t make friends easily, you have to gain my trust because I was let down a lot these past years. You make think we are friends, but really we are just acquaintances. I do believe in reincarnation and I believe when I am reborn into this world, I am here to better it everytime so make the world a better place. When you have that feeling of "deja vu" I believe it is because you have experienced this in your past life(s). I also see myself as an outgoing and adventurous individual. I like to take risks, hike, surf, dirt bike, cliff/rock jumping, sneak into hotels just to go to the pool etc. I love the feeling of energy you get when you do something crazy and the fact...

Words: 401 - Pages: 2

Premium Essay

How Do I Love Thee

...I remember when I first met Jenny in middle school and I could say we were complete opposites. She was the wild, always dressed in bright colors, outspoken and I was the shy and quiet girl. We had one class together but never spoke until one day we were assigned to do a group project. We were required to work on our projects outside of school. As we did so, I noticed Jenny and I clicked and who would of thought. Ever since then we talked more and more and we hung and now 12 years later, no one would of thought Jenny and I would have been a duo because we were completely different. We have been through so much together; graduations, family occasions, relationships, breakups and everything. Jenny always said she wanted to wait a long time to get married because of the career she wanted to pursue. So you would understand how surprised I was when he said he thought she found ‘the one.’ Jenny had an ideal man and I knew that if she were to even marry, it would be a while to find the type of guy she wanted. Jenny was head over heels for him and I told her to be careful because whenever she fell into a relationship, she fell pretty hard and would become heart broken. When I first met Wesley, I thought he was very handsome and seemed to have his life all planned out, something that Jenny needed. He was humorous and intelligent; perfect for Jenny and almost too good to be true. They went out for a couple of months until they had a terrible break up. I was there, yet again to be the......

Words: 709 - Pages: 3

Free Essay

How Do I Unlove Thee?

...How do I unlove thee? Is there's a way to get out in your life ? But How do I leave when all I want is to stay, Your words took me to fantasy though I knew that it was all lies yet I believe. Now How can I move forward ? Can I just stop you from walking away ? come back and we'll start over again . I love you but I need to unlove you because loving you is a poisonous. The moment I see you, my heart beats fast, I thought it was a good sign yet It was a warning sign. I shoud walk away before you did. I should close my eyes before it fell, too late my tears start rolling on my face. Remember when you sit beside me, you looked at me, you smiled, I felt like melted ice. I thought it was happiness yet a selfish trap. You made me fool in love, You made it falling game, I fell, you won. We found each other in a hopeless place, you accepted me behind of my flaws, you held my hands and promised to stay . I thought it was real but it was just part of a game . I am grateful to have you in my life, you are perfect creation in this cycle world. I thought you were the flowers in my garden but you turn into thorns. My life isnt enough without you. You brighten my world, you spoiled me to your presence, You filled my life with happiness. I thought you were the person who'll build me up, but you broke me into tiny pieces. For every story there's a particular ending. Possible to end it to happily ever after, or......

Words: 329 - Pages: 2

Free Essay

I Have No Clue

...others. Discuss how the various authors reveal characters using these three techniques. For each technique, give at least one example and explain how the author uses the method to reveal the character in the example you have chosen. Answer: Technique | Story name and example from text | Explanation of how author uses the method to reveal the character | Speech | ? | | Actions | ? | | Interactions | ? | | (Score for Question 2: ___ of 8 points) Are there any themes that run through more than one of the memoirs in this unit? If so, what are they? List at least two themes that appear in more than one of the memoirs you read, and explain the similarities you noticed in how the author explored those themes. Answer: Uplifting, Courage (Score for Question 3: ___ of 8 points) Think of two words to describe the tone of each of the four memoirs you read in this unit. List these two words for each memoir and briefly explain why these words describe the story’s tone. “A Cub Pilot” Bravery and courage to become a Cub pilot “Barrio Boy” Trouble, Struggle “No Gumption” energy, motive I Know Why the Caged Bird Sings Uplifting, Sad (Score for Question 4: ___ of 9 points) What are some of the elements that make a memoir a memoir? Write a paragraph in which you describe at least three characteristics of a typical memoir, like the stories you have been reading in this unit. Answer: Type your answer here. A memoir is about story about someone’s life. I don’t......

Words: 344 - Pages: 2