Calculating Sample Size Types of Samples Subjective or Convenience Sample - Has some possibility of bias - Cannot usually say it is representative - Selection made by ease of collection Simple Random Sample - No subjective bias - Equal chance of selection; e.g.‚ select the fifth chart seen on every third day - Can usually be backed to say it is representative Systematic Sample - Is a random sample - Equal chance of selection due to methodology; e.g.‚ computer-generated list of
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=9.2 5 -1.6 ^ = 11.56 47.28/5 = √9.45=3.56 Market Deviation 4 - 1.5 ^ = 6.25 2 – 1.5 ^= 0.25 1 – 1.5 ^ = 0.55 -2 – 1.5 ^ = 7 2 -1.5 ^ = 0.25 14.3/5 = √2.86= 1.97 Problem 6-10b If Zemin’s beta is 1.54 and the risk-free rate is 8 percent‚ what would be an appropriate required return for an investor owning Zemin? (Note: Because the returns of Zemin Corporation are based on monthly data‚ you will need to annualize the returns to make them compatible with the risk-free rate. For simplicity
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US Crime Measurement Lona Hernandez CJUS141-1203A-18: Introduction to Criminal Justice Professor Lisa Burkart Colorado Technical University July 16‚ 2012 Crime statistics enables us to see crime in America by using tables and graphs‚ as well as what we hear on the news. The Federal Bureau of Investigation (FBI) receives their statistics from two different agencies. Uniform Crime Reporting (UCR) Program sends study and analysis from data collected from 17‚000 jurisdictions that make up
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Chapter 1: Technical Measurement and Vector 5. Newton’s law of universal gravitation is represented by [pic] where F is the gravitational force‚ M and m are masses‚ and r is a length. Force has the SI units kg ∙ m/s2. What are the SI units of the proportionality constant G? 8. The speed of light is now defined to be 2.99 7924 58 × 108 m/s. Express the speed of light to (a) three significant figures‚ (b) five significant figures‚ and (c) seven significant figures. 15. A rectangular
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Industry: Friend or Foe? The 2004 American documentary known as Super-Size Me left a remarkable impact on America’s fast-food industries‚ as well as fellow fast-food consumers. Not to mention‚ six weeks after Super-Size Me was released‚ McDonalds took the “Super-Size” option off their menu as well as their stress on healthier menu choices; such as salads‚ fruit‚ and the new adult happy meal. The director‚ writer‚ and producer of Super-Size Me is also starring in the film himself‚ he is Morgan Spurlock
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Academic Note Quantitative measures of performance evaluation of salespersons Abstract Aim here is to understand the evaluation techniques used by the firms and understand the quantitative measures used for evaluation. An overview of the analysis is presented after reading various research papers which have been written on similar lines. One of the most important factors that a sales manager has to look after is the performance evaluation of the salesperson. The methodology adopted to evaluate
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Super Size Me Reflection Super Size Me is a documentary film starring Morgan Spurlock‚ a generally healthy American‚ whose goal is to have a thirty-day McDonald’s binge in order to physically‚ mentally‚ and emotionally document and publicize the dangers of regularly consuming fast foods and the growing obesity epidemic in the United States. In this experiment Morgan is to eat nothing but foods and drinks sold in McDonald’s stores three times a day (breakfast‚ lunch‚ and dinner) for thirty days
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CheckPoint: Population Size -Explain the four factors that produce changes in population size. A factor that creates changes in the population size is changes with the global scale. The changes with the global scale are the amounts of births and deaths in the world. Birth rate factors consist of family planning‚ contraception‚ education‚ religious and cultural views. Death rate factors consist of lack of education‚ disease‚ lack of medical care‚ murder‚ suicide‚ and accidents. Migration plays
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If the Shoe Fits‚ He Did It. Romeo and Juliet was not originally from Shakespeare; Arthur Brooke wrote a poem and Shakespeare turned that into a marvelous play. Many characters could be blamed since most of them are either Montague or Capulet. They don’t seem to like the other family and they fight. Benvolio is the one who is mostly to blame for the deaths of Romeo and Juliet because he forced Romeo to go to the dance‚ and then he pushed Romeo to search for a girl‚ and after threw him under the
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Sample size The process of determining the proper sample size was established through a series of calculations and after obtaining all the possible sample sizes‚ the largest one was taken into consideration to collect the closest number to a representative sample of the population. The following two equations where used: Equation 1: N=z2 *(p.q) E2 N= sample size Z=level of confidence interval at 95% so z=1.96 P=estimated percent of population E=acceptable sample error expressed
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