Beta Probability Function f (y) = f (y) = 1 ; θ ≤ y ≤ θ2 θ2 − θ1 1 1 1 (y − µ)2 √ exp − 2 2σ σ 2π −∞ < y < +∞ f (y) = 1 y α−1 e−y/β ; (α)β α 0<y<∞ f (y) = f (y) = f (y) = 1 −y/β e ; β>0 β 0<y<∞ (y)(v/2)−1 e−y/2 2v/2 (v/2) y2 > 0 ; (α + β) y α−1 (1 − y)β−1 ; (α) (β) 0<y<1 MomentGenerating Function Mean Variance θ1 + θ2 2 (θ2 − θ1 )2 12 µ σ2 β β2 (1 − βt)−1 αβ αβ 2 (1 − βt)−α v 2v (1−2t)−v/2 α α+β αβ (α + β)2 (α + β + 1) does not exist in closed form etθ2 − etθ1 t
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about statistical ideas and techniques • The “must-know” formulas and calculations • Core topics in quick‚ focused lessons Deborah Rumsey‚ PhD Auxiliary Professor and Statistics Education Specialist‚ The Ohio State University Statistics Essentials FOR DUMmIES ‰ by Deborah Rumsey‚ PhD Statistics Essentials For Dummies® Published by Wiley Publishing‚ Inc. 111 River St. Hoboken‚ NJ 07030-5774 www.wiley.com Copyright © 2010 by Wiley Publishing‚ Inc.‚ Indianapolis‚ Indiana Published
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Statistics in Business Statistics is a mathematical science pertaining to the collection‚ analysis‚ interpretation or explanation‚ and presentation of data. It also provides tools for prediction and forecasting based on data. It is applicable to a wide variety of academic disciplines‚ from the natural and social sciences to the humanities‚ government and business ("Statanalysis Consulting"‚ 2013). Statistics is used in decision making that affects our everyday lives. The study of statistics
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Essentials of Consideration Presence of consideration is one of the requisites of Valid Contract. Consideration must be of two directional nature. That means both parties should get benefited mutually. Then only the Contract becomes capable of creating legal relations. Consideration may be in the form of cash‚ goods‚ act or Abstinence. Definition of Consideration “When at the desire of the promissor‚ the promisee or any other person has done or abstained from doing or does or abstains from
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1. Qian‚ who has just completed his first finance course‚ is unsure whether he should take a course in business analysis and valuation using financial statements because he believes that financial analysis adds little value‚ given the efficiency of capital markets. Explain to Qian when financial analysis can add value‚ even if capital markets are efficient. An efficient capital market is a market which the share prices reflect new information accurately and in the real time. However‚ there is no
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Scenario: As an upcoming audit approaches‚ you want to ensure that your staff understands the basics of healthcare statistics and research. You decide to create a training packet that will be distributed to all employees in your department. For newly hired employees‚ the packet will assist them in learning the basics of the department. For current employees‚ the packet will serve as a review in order to maintain sharpened skills throughout the department. Create a written training piece (traditional
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Nam Ly Professor Simmons ESL 186 Topic 2 Draft 1 February 13‚ 2014 Adversity & Solution in life If a rabbit is always in secure cart‚ it will never know how to overcome its adversity when it is outside. Comparing to all obstacles in reality human beings have to face‚ the issue is more diverse and harder to get through. However‚ when people see it like perspective personal challenges‚ overcoming is only and easy. Persuasively‚ " Akeelah and the Bee "‚Doug Atchison a story of 11 year-old black
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3ER PARCIAL Inferential statistics Sampling * The purpose of sampling is to select a set of elements (sample) from a population that we can use to estimate parameters about the population * The bigger the sampling‚ the more accurate our parameters will be. example: In the experiment of deciding if CEGL girls are smarter that CEGL boys‚ which would be your statistical hypothesis? Hypothesis testing But now‚ you already gathered information about a sample No‚ you will test if your
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Chapter 6 Inventory & Cost of Goods Sold Short Exercises (10 min.) S 6-1 Billions Inventory………………………… 3.8 Cash…………………………... 3.8 Accounts Receivable…………. 19.7 Sales Revenue………………. 19.7 Cost of Goods Sold…………… 4.5 Inventory……………………... 4.5 Cash……………………………… 18.8 Accounts Receivable………. 18.8 (10-15 min.) S 6-2 1. (Journal entries) Inventory………………………………….. 120‚000 Accounts Payable……………………
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at the ask. The difference between the bid and ask is called the spread. Since all transactions are between sellers and dealers or buyers and dealers‚ the prices are set by the dealers. Active stocks will have more dealers. To compete for business‚ dealers will decrease the profit margin and therefore quote smaller (tighter) spreads. Spreads will be larger for inactively traded stocks and smaller on actively traded stocks. 3. Suppose you short sell 100 shares of IBM‚ now selling at $120
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