Concept and basics of probability sampling methods One of the most important issues in researches is selecting an appropriate sample. Among sampling methods‚ probability sample are of much importance since most statistical tests fit on to this type of sampling method. Representativeness and generalize-ability will be achieved well with probable samples from a population‚ although the matter of low feasibility of a probable sampling method or high cost‚ don’t allow us to use it and shift us to the
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Session 5 Topic: Sampling Theory/ Techniques and Discussions Project Brief ◦ Expectations and deliverables (Deadline October 1‚ 2010- EOD) Sampling basics ◦ Fundamental Issues ◦ Errors Sampling techniques ◦ Probabilistic ◦ Non-probabilistic Discussions © Krishanu Rakshit‚ IIM Calcutta 28 September‚ 2010 2 When do we use a ‘sample’ When do we use a census (population) Sampling errors ◦ Difference between a measure from sample and the measure
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Sampling Procedures There are many sampling procedures that have been developed to make sure that a sample really represents the target population. Simple Random Sampling In simple random sampling‚ every individual in the target population has an equal chance of being part of the sample. This requires two steps: 1. Obtain a complete list of the population. 2. Randomly select individuals from that list for the sample. In a study where the unit of analysis is the student‚ the researcher
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Surf Excel Brand Management 12/18/2012 Shikhar Mehra MBA Tech (Marketing) Roll No. 364 Brand Management Table of Contents Introduction .................................................................................................................................................. 2 Brand Mission ............................................................................................................................................... 3 Brand Vision .................................
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Statistical Sampling Statistical Sampling 1. The authors of the paper make assumptions about the U.S. population on three dimensions. What are the three dimensions? (Hint: The authors refer to these dimensions as "components of change.") Answer: The three dimensions would be migration‚ fertility‚ and mortality. 2. What is the expected population of the U.S. in 2050 given the new series (i.e.‚ based on 1998 data) based on the lowest series? The middle series? And the highest
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Microsoft Excel: Formulas‚ Formulas... Northern New York Library Network 6721 US Hwy 11 Postdam‚ NY 13676 877-833-1674 or 315-265-1119 www.nnyln.org Jim Crowley C3 - Crowley Computer Consulting 9148 State Highway 37 Ogdensburg NY 13669 315-394-7008 fax 315-394-7009 www.crowleycomputers.com jim@crowleycomputers.com Description: Excel has hundreds of functions and nobody knows them all‚ but spend some time and learn to create more powerful formulas. Students will dive into decision making functions
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Sampling Frame Advanced Cell technologies are constantly conducting hundreds of clinical trials in order to gain more knowledge on stem cell research. When dealing with the ethical barriers derived from stem cell research Advanced Cell Technologies spare no resources to maintain a healthy line so crossing of moral barriers occur. In order to conduct and proceed with research‚ a set of specific sampling frames must first be created. In statistics‚ a sampling frame is the source material or device
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MARKETING PLAN: SURF EXCEL M.BILAL KHAN (2642) I.U.G.C 1. CURRENT MARKETING SITUATION COMPANY PROFILE: Unilever Pakistan Limited manufactures and markets home and personal care products‚ beverages‚ ice cream‚ and spreads in the United Kingdom. The company provides food products‚ such as soups‚ bouillons‚ sauces and dressings‚ noodles‚ complete meals‚ margarine and spreads‚ olive oil‚ and tea‚ as well as frozen foods; cleansing and hygiene products for the home care market; and skin cleansing
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“John Walkenbach’s writing style makes the difficult seem easy in this book that can be used as a reference or read cover to cover. You won’t find a more comprehensive book on Excel 2010 than this!” —Dick Kusleika‚ Microsoft MVP‚ DailyDoseOfExcel.com • Searchable PDF of the book • Understand functions‚ charts‚ worksheets‚ and workbooks System Requirements: See the CD Appendix in the book for details and complete system requirements. • Master “what-if” analysis‚ Goal Seeking‚ external
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Aim * To educate students on what instruments they should use for sampling of water sample. * To expose the students the proper technique to measure the water. * To give the students experience with sampling of water sample. Introduction Pollution can be defined as a harm to the environment which can cause a lot of bad consequences to human health‚ living resources and ecological. Thus‚ pollutants can be gain from many sources and can take many forms. The pollutants can contaminate
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