University of Central Punjab Faculty of Management Studies Assignment 02 (Summer-2012) Course Title: Business Statistics Course Code: (QM2013) Section: A Resource person: Prof. M Aslam Javed. Program: BBA/BSIS/BSSS/MBA Marks: 10 Submission Date: Sep. 01, 2012 Name: ______________________________ Registration Number: _________________ Question 1: The marks obtained by 12 students in December test (X) and promotion test (Y) are given below: Student 1 2 3 4 5 6 7 8 9 10 11 12 X 41 45 50
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Bootstrapping Regression Models Appendix to An R and S-PLUS Companion to Applied Regression John Fox January 2002 1 Basic Ideas Bootstrapping is a general approach to statistical inference based on building a sampling distribution for a statistic by resampling from the data at hand. The term ‘bootstrapping,’ due to Efron (1979), is an allusion to the expression ‘pulling oneself up by one’s bootstraps’ – in this case, using the sample data as a population from which repeated samples
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week. Seventy percent of one hundred randomly selected Park University students surveyed claimed to study more than four hours per week. Should the University retract its previous statement? Explain why or why not. Answer using a 95 percent confidence interval. PROBLEM 4: (Weight 20
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Marks) The data set in CEOSAL2.RAW contains information on chief executive officers for U.S. corporations. The variable salary is annual compensation, in thousands of dollars, and ceoten is prior number of years as company CEO. 1. Using EVIEWS, compute the average salary and the average tenure in the sample. (2 Marks) 2. How many CEOs are in their first year as CEO (that is, ceoten = 0)? What is the (2 Marks) longest tenure as a CEO? 3. We will now estimate the following simple regression model
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week. Seventy percent of one hundred randomly selected Park University students surveyed claimed to study more than four hours per week. Should the University retract its previous statement? Explain why or why not. Answer using a 95 percent confidence interval. ! PROBLEM!4:!(Weight 40 points). The weights (in pounds) of a
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DESCRIPTIVE STATISTICS & PROBABILITY THEORY 1. Consider the following data: 1, 7, 3, 3, 6, 4 the mean and median for this data are a. 4 and 3 b. 4.8 and 3 c. 4.8 and 3 1/2 d. 4 and 3 1/2 e. 4 and 3 1/3 2. A distribution of 6 scores has a median of 21. If the highest score increases 3 points, the median will become __. a. 21 b. 21.5 c. 24 d. Cannot be determined without additional information. e. none
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Bottling Company Case Study TaNeesh Williams Derrick Barbee MAT 300-Statistics March 14, 2015 Bottling Company Case Study Imagine you are a manager at a major bottling company. Customers have begun to complain that the bottles of the brand of soda produced in your company contain less than the advertised sixteen (16) ounces of product. Your boss wants to solve the problem at hand and has asked you to investigate. You have
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Quantitative Association Rule Mining Using Information-Theoretic Approach Mary Minge University of Computer Studies, Lashio dimennyaung@gmail.com Abstract Quantitative Association Rule (QAR) mining has been recognized an influential research problem due to the popularity of quantitative databases and the usefulness of association rules in real life. Unlike Boolean Association Rules (BARs), which only consider boolean attributes, QARs consist of quantitative attributes which contain much
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STAT200 final exam 2016 Click Link Below To Buy: http://hwcampus.com/shop/stat200-final-exam-2016/ On Multiple Choice questions, please explain and/or show your work as necessary. Other questions please show your work as well. _____1. Ten different senators are randomly selected without replacement, and the number of terms that they have served are recorded. Does this constitute a binomial distribution? Select an answer, and then state why. a. No b. Yes Why: _____2. Which of
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STAT200 final exam 2016 Click Link Below To Buy: http://hwcampus.com/shop/stat200-final-exam-2016/ On Multiple Choice questions, please explain and/or show your work as necessary. Other questions please show your work as well. _____1. Ten different senators are randomly selected without replacement, and the number of terms that they have served are recorded. Does this constitute a binomial distribution? Select an answer, and then state why. a. No b. Yes Why: _____2. Which of
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