Aufgabe 1 Die Branchenstruktur‚ oder allgemeiner die Attraktivität eines Marktes‚ lässt sich mit Hilfe des von Michael Porter vorgestellten Instrumentariums der „Five Forces“ bewerten. Dieses zählt zu den Industrial-Organization-Theorien und dient der Umweltanalyse. Eine grundsätzliche Orientierung daran erscheint sinnvoll. Zunächst werden die einzelnen Einflussgrößen auf die Marktattraktivität in ihrer Tendenz bewertet‚ zum Ende erfolgt eine Gesamtbewertung. Abbildung 1 Porter‘s Five-Forces Rivalität
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PREDICT ARTIRIAL OXYGEN. 1. Always start with scatter plot to see if the data is linear (i.e. if the relationship between y and x is linear). Next perform residual analysis and test for violation of assumptions. (Let y = arterial oxygen and x = blood flow). twoway (scatter y x) (lfit y x) regress y x rvpplot x 2. Since regression diagnostics failed‚ we transform our data. Ratio transformation was used to generate the dependent variable and reciprocal transformation was used to generate the
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Delta Plastics‚ Inc. Delta Plastics‚ is a company that designs and manufactures plastic containers for household and kitchen use. The R&D group working for Delta is constantly thinking of new ways to develop‚ design and produce new plastic materials for the company. The new containers that the R&D group is currently working on are designed to be able to be removed from the oven and immediately stored in the refrigerator if necessary‚ with no wait time to cool. The group will be looking to see
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http://www.mathsisfun.com/data/standard-normal-distribution-table.html (Z table) http://www.sjsu.edu/faculty/gerstman/StatPrimer/t-table.pdf (t table) Critical Values (Z) Level of Significance 1% 2% 4% 5% 10% Two Tailed ±2.56 ±2.32 ±2.05 ±1.96 ±1.64 Right tailed +2.32 +2.05 +1.75 +1.64 +1.28 Left tailed -2.32 -2.05 -1.75 -1.64 -1.28 Q1) A cinema hall has cold drinks fountain supplying Orange and Ditzy Colas. When the machine is turned on‚ it fills a 550ml cup with 500ml of the
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Delta with Northwest which is a larger airline carrier. Delta Air Lines’ quarterly earnings announcement contained a glimmer of hope for the airlines sector‚ as the carrier revealed a significant bump to its forecasted synergies expected to come out of its planned merger with Northwest Airlines. Delta anticipates as much as $500 million in synergies next year‚ increasing to the full-run rate of approximately $2 billion in annual synergies by 2012. Conversely‚ the expected integration costs have also
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Cox Regression Models Questions with Answers Worked Example An investigation is carried out into popularity of new cars being bought in the showroom of a Mercedes dealer. Data recorded for each car included colour‚ engine size and car type. A Cox proportional hazards model was fitted to the data and the results are given below: Write down the Cox hazard function according to this model. With regards to the model you have written down above state the following: • To which class of car does the
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Written for the 2004 indie film Garden State‚ New Slang by The Shins is a piece that can be related to by the masses. It’s not a coincidence that New Slang is the most popular Shins song as it gives a somber effect that could make anyone feel there’s a world out there for them that they’ve never seen. The Shins‚ despite having a soothing effect on listeners‚ often strike a chord in an existential sense. Their music often creates a stream of consciousness that not only brings you to question the world
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Regression Analysis (Tom’s Used Mustangs) Irving Campus GM 533: Applied Managerial Statistics 04/19/2012 Memo To: From: Date: April 19st‚ 2012 Re: Statistic Analysis on price settings Various hypothesis tests were compared as well as several multiple regressions in order to identify the factors that would manipulate the selling price of Ford Mustangs. The data being used contains observations on 35 used Mustangs and 10 different characteristics. The test hypothesis that
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Introduction: The main idea of a multiple regression analysis is to understand the relationship between several independent variables and a single dependent variable. (Lind‚ 2004) A model of the relationship is hypothesized‚ and estimates of the parameter values are used to develop an estimated regression equation.(abyss.uoregon.edu) The multiple regression equation used to describe the relationship is: Y’ = a + b1X1 + b2X2 + b3X3 + . + bkXk. It is used to estimate Y given selected X values
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CHAPTER 4: FORECASTING TRUE/FALSE 1. Tupperware only uses both qualitative and quantitative forecasting techniques‚ culminating in a final forecast that is the consensus of all participating managers. False (Global company profile: Tupperware Corporation‚ moderate) 2. The forecasting time horizon and the forecasting techniques used tend to vary over the life cycle of a product. True (What is forecasting? moderate) 3. Sales forecasts are an input to financial planning‚ while demand forecasts
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