Sample Paper Mid Term Examination All questions carry equal marks (4 Marks Each) Q.No. 1 a) i) Suppose you are an operations manager for a plant that manufactures batteries. Give an example how you could use descriptive statistics to make better managerial decisions. ii) Listed here are 30 different weekly Dow Jones industrial stock averages. 2656 2301 2975 3002 2468 2742 2830 2405 2677 2990 2200 2764 2337 2961 3010 2976 2375 2602 2670 2922 2344 2760 2555 2524 2814 2996 2437 2268 2448 2460 Construct
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word ‘statistics’? 2. In how many ways can a team of 11 players be chosen from a total of 16 players? 3. State multiplicative theorem of probability for dependent events. 4. An aptitude test with 4 options. If a student marks the options of the questions randomly and independently‚ then find the probability of being correct to 4 questions. 5. A can solve 75% questions in a book and B can solve 60% questions in that book. Find the probability that randomly selected questions is solved
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Chapter 3 – The Metamorphosis 1. How are motifs of sin‚ guilt and purification presented in Chapter 3? In Chapter 3‚ the significance of the rotten apple‚ “An apple thrown without much force grazed Gregor’s back and glanced off harmlessly. But another following immediately landed right on his back and sank in” is important since the apple is a permanent scar reminding Gregor of his perpetual guilt. The collision with the apple brings forth a sudden comprehension within Gregor and his family‚ as
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Chapter 3 Study Guide/Key Terms Physiologic Changes pg. 384-386 INTEGUMENTARY SYSTEM 1. With aging‚ the __epidermis (skin)___ becomes increasingly fragile and subject to damage. 2. Clusters of __melanocytes___ cause age spots. The medical term for these is __senile lentigo__. 3. Loss of ___elastin fibers (elasticity)___ results in wrinkles. 4. Dry skin‚ or __xerosis__‚ is likely to result in itching‚ or __pruritus___. 5. Common skin disorders in older adults include: a. carcinoma
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percent 3. In a certain class of students‚ there are 15 boys from Wilmette‚ 5 girls from Kenilworth‚ 9 girls from Wilmette‚ 6 boys from Glencoe‚ 2 boys from Kenilworth and 8 girls from Glencoe. If the teacher calls upon a student to answer a question‚ what is the probability that the student will be from Kenilworth? .159 = 16 percent 4. Find the probability of correctly answering the first 2 questions on a multiple choice test if random guesses are made and each question has 5
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Business Statistics II ECO 362 Regression Analysis: Model Building General Linear Model Determining When to Add or Delete Variables Variable Selection Procedures Residual Analysis Multiple Regression Approach to Analysis of Variance and Experimental Design Chapter 16 Regression Analysis: Model Building School of Business and Economics SUNY Plattsburgh Dr. Kameliia Petrova Slide 1 Dr. Kameliia Petrova Linear models: models in which all parameters (β 0‚ β 1‚ . . .
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_________________ □ EXERCISE 31 1. What are the two groups whose results are reflected by the t ratios in Tables 2 and 3? The two groups with results on the effects on cardiovascular risk factors and the programs effective on health behavior have paid t-ratios 2. Which t ratio in Table 2 represents the greatest relative or standardized difference between the pretest and 3 months outcomes? Is this t ratio statistically significant? Provide a rationale for your answer. t-ratio of 2.58 for triglyceride
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Basic Economic Questions The basis of all economic decisions is scarcity. The wants and needs of people are unlimited and the resources available to a society are limited. The basic questions that each society must make revolve around the allocation of scarce resources. * What goods and services to produce? * How to produce them? * For whom to product them? These essential questions must be answered in every economy to determine the fundamental goals of the society. How each society handles
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Last name: First name: Student #: STA 304H1 F/1003H F SUMMER 2009‚ First Test‚ May 28 (20%) Duration: 50min. Allowed: hand-calculator‚ aid-sheet‚ one side‚ with theoretical formulas and definitions only. [25] 1) A marketing analyst is asked to study the buying habits of shoppers at a national chain store (e.g. Sears). Suppose there are 150 stores around the country. (a) Describe the population of interest. (b) Describe in short a realistic sampling procedure for obtaining a representative
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ECMT1010 BUSINESS AND ECONOMIC STATISTICS A ASSIGNMENT Semester 1‚ 2011 This assignment is worth 10% of your total mark. It must be handed in by 4:30pm on Friday‚ 3 June in the marked drop-off boxes in the Merewether building (Level 2‚ reception area). Late assignments will not be accepted and will result in a zero mark. The assignment must be done individually and plagiarism will result in severe penalty and possibly a zero mark. The assignment will be marked out of 50. Marks
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