Essay on Operation Management - 1571 Words

| Cleaning Time | Waxing time | C1 | 9 | 6 | C2 | 6 | 2 | C3 | 5 | 7 | C4 | 3 | 5 | C5 | 8 | 4 | 41. (7 points) An automobile detailing shop has the following jobs waiting to be processed. All jobs (cars requiring detailing) must first be cleaned, then waxed. a. What processing sequence will minimize the makespan for these jobs? Job | Cleaning Time time | Cleaning Time end time | Waxing time time | Waxing time end time | Waxing time idle time | C4 | 3 | 3 | 5 | 8 | 3 | C3 | 5 | 8 | 7 | 15 | 0 | C1 | 9 | 17 | 6 | 23 | 2 | C5 | 8 | 25 | 4 | 29 | 2 | C2 | 6 | 31 | 2 | 33 | 2 | b. What is the minimum makespan for this set of five jobs? Makespan is 33 (POM SW output is attaced in excel) 42. (10 points)†¦show more content†¦Sample Mean Range Sample | Mean | Range | 1 | 7.2 | 0.7 | 2 | 7.6 | 1 | 3 | 7.1 | 1.4 | 4 | 7.8 | 1.1 | 5 | 7.8 | 0.6 | 6 | 7.5 | 1.2 | _ a. Calculate the 3 X-chart and R-chart control limits. X bar = Average (Mean) = (7.2+7.6+7.1+7.8+7.8+7.5) / 6 = 7.50 Avge Range R bar = Avge (Range) = (0.7+1+1.4+1.1+0.6+1.2) / 6 = 1.00 Using Constant Table, we find the value of A2 for Subgroup of n=6 as A2 = 0.483 Now Upper control Limit UCL(X) = X + A2*R = 7.50+0.483*1 = 7.983 amp; Lower control Limit LCL(X) = X - A2*R = 7.50 - 0.483*1 = 7.017 Now we calculate the Upper Control Limit for Range. Recall that when n lt;7, LCL( R) = 0. Here n=6. So LCL(R) =0 amp; UCL (R ) = D4*R Looking up Contant Table, we find for n=6, D4 = 2.282 So UCL (R ) = D4*R = 2.282*1 = 2.282 b. Calculate the mean (X) and range (R) for the following sample, which was taken from the same process at a later time. Item number: 1 2 3 4 5 Weight: 7.5 8.0 8.2 7.5 7.4 Mean (X) = Avge(Weights) = (7.5+8.0+8.2+7.5+7.4) / 5 = 7.72 Range (X) = Highest Value of Weight – Lowest value of weight = 8.2-7.4 = 0.8 Based on this sample and the control chart limits that you calculated in part (a), is the process in control? Why or why not? Based on X amp; R UCL amp; LCL found in (a ), we can say that Process is in Control. This is because, all Mean of samplesShow MoreRelatedOperations Management : Operation Management1355 Words   |  6 PagesOperations Management Introduction Operations management is the activity of managing the resources that create and deliver services and products. The operations function is the part of the organization that is responsible for this activity. Every organization has an operations function because every organization creates some type of services and/or products. However, not all types of organization will necessarily call the operations function by this name. Operations managers are the people who haveRead MoreOperation Management - Cadburyworld2493 Words   |  10 Pagestechnology to streamline the operation process) and facility costs (old and outdated facilities) at lowest possible. In return, they have to compromise low costs with their other objectives. 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NESTLÉ UK CHOCOLATE FACTORY 3 3. MAJOR UNDERSTANDINGS OF THE STUDY 3 4. CONCLUSIONS 3 REFERENCES 3 1. Operation Management For the success of an organization, the management crew plays a major role. 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Childhood Obesity A Growing Concern That Threats The...

Childhood obesity, defined as â€Å"a BMI at or above the 95th percentile for children and teens of the same age and sex,† according to Centers for Disease Control and Prevention (CDC, 2015), is becoming a prominent issue in the United States. Child obesity is a growing concern that threats the children’s healthy lives. Overweight life style in childhood can lead to serious psychological problem and diseases such as low self-esteem, depression, type 2 diabetes, hypertension, stroke, heart failure, and asthma by the time they grow into adulthood. To me, childhood obesity is due to a higher calorie intake than calories expended caused by the development of higher technology which encourages children to stay inside their house to watch movies, television, or play computer games rather than promote outside activity. Researches have shown that a lower income level of households can increase the likelihood of child obesity rate. When both parents need to work to maintain a l iving, fast food becomes a more convenient option that is both cheaper and simpler for the family. However, if a mother has the time to stay home and prepare meals for her children, the children will eat healthier. The costs of food in Mc Donald, Burger King, Taco Bell, and all fast food restaurants in general are less expensive and less time consuming than cooking at home. Due to the value menu, there are easier and cheaper options for a meal than homemade foods. Another contributing factor of child obesity isShow MoreRelatedObesity : A Effect On A Child s Life Essay2056 Words   |  9 PagesWho Is Responsible for Childhood Obesity in U.S.? Advertising Age 77.5 (2006): 4. Web. Obesity has a profound effect on a child’s life; an obese child is more likely to become an obese adult. Proper nutrition habits start as soon as the child is born, overfeeding an infant can affect the way the child perceives food. 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Hip-Hop Story Narration Jay Z and Nas free essay sample

The art of story telling has been passed down from our ancestors and their ancestors and so on. Some of us listen to hip-hop and dont realize that we are listening to a story. We hear the beat and lyrics but dont recognize the meaning or story they are telling right away. In some cases, the story may not be blatantly visible with a beginning, middle and end. For example, Cob points out that the late B. I.G was among that elite few who broke up that structure, conveying significant portions of the tale via flashbacks (To the Break of Dawn, Pl 13). Masc. share experiences with us y narrating fictional (some non-fictional) tales that keeps us asking for more. In a way, hip-hop artists are Like movie directors by providing actors/actresses to act out the story that Includes a theme, setting and a significant moral of the story. We will write a custom essay sample on Hip-Hop Story Narration: Jay Z and Nas or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page Nas tells a story on his song 2nd Childhood about 3 characters, himself, a 31 year old man and a 27 year old woman. Although all the characters are adults, neither of them are grown, hence the title 2nd Childhood. In the second verse Nas raps, All his peoples moved on in life, hes on the corners at night with young dudes its them he Anna be like its sad but Its fun to him right? He never grew up 31 and cant give his youth up; hes In his second childhood. The character Is portrayed as the typical black man out of Call who never tried to change his life and Is back to his old antics.The female character is portrayed as the mother who doesnt give her child any love, wants to be fly but cant keep a Job, sits outside drunk running her mouth when she could be working giving her child and herself a better life. Time flying she the same person, never matures, all her friends married doing well, shes in the streets yakked yakking like she was 12. The moral of the story Is simply, make something of yourself. Make grown-up decisions and dont act Like a child. The hip-hop audience today has a passion for crime, sex, money and drugs.These are the things we want to hear about in the music we listen to, especially crime. For some reason we love to hear about how many times 50 cent was shot and how this person is going to kill that person for whatever reason. Nas tells us another story about theses drug dealers that killed his friend, and Nas and another character, Soya, set their rivals up. The Set up consists of two more characters of Importance, Venus and Vicious. They were the key In the set up, theyre job was to seduce the enemies and then shoot them dead.Nas raps, he said both hoes' peel, spray shots and reload and still handle the wheel, point me out smoke a Phil then chill. This song is about revenge and power. Nas rivals had to die because they killed Nas boy. As the audience, we expected and maybe even wanted the deadly revenge. In summation, hip-hop narrates stories to share with us their experiences and thoughts. I focused on two of Nas narratives, 2nd Childhood and the Set up. Nas Is not the only MS to use the art of story-telling there are many for Instance, Jay-Z, Common, Kenya West and many more.