Measures of Central Tendency Objectives of the chapter • To use summary statistics to describe collections of data • The main goal is to come up with the one single number that best describes a distribution of scores. • Lets us know if the distribution of scores tends to be composed of high scores or low scores. • To use the mean‚ median and mode to describe how data bunch up. The sales of 100 fast food shop is given below: Sales No. of (in 000s) Shops 700-799 4 800-899 7 900-999 8 1000-1099 10
Free Arithmetic mean Average
Defense Logistics Information Service (DLIS) Outline 1. Introduction a. Scope b. Assign to departments c. Risk Matrix d. Risk mitigation plan e. Impact Analysis 2. (BIA) a. Departments b. Business Impact c. Costs Analysis 3. Recommendations (BIA) a. Business Impact Analysis Results b. Maximum Acceptable Outage 4. (DLIS) Business Continuity Plan a. Purpose b. Scope c. Plan Objectives d. Disaster definition e. Recovery teams f. Team member responsibilities g. Instructions
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Internet Security Many people today are familiar with the Internet and its use. A large number of its users however‚ are not aware of the security problems they face when using the Internet. Most users feel they are anonymous when on-line‚ yet in actuality they are not. There are some very easy ways to protect the user from future problems. The Internet has brought many advantages to its users but has also created some major problems. Most people believe that they are anonymous when they
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Security Issues in Smartphone Markets Are you buzzing about the new Verizon Blackberry Storm or the T Mobile G1? They are the new crave and everyone wants one right? What these owners many not know are the security risks that surround the raving technology. Most of the unawareness starts at companies and customers not placing more significance on security as smartphones get smarter. Although a smartphone may not be at greater risk than a PC‚ some security issues and risks are still present with
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Prisons and security An example of a state prison system is located in Huntsville Texas‚ and is the Texas department of Corrections. The department was established in 1849. Because of the strict controlled environment this facility because the facility to which all were modeled after. The growth of state prisons is mostly because of the fact that prison is supposed to be a cure all end all. People are sent to prison on the grounds that whatever happens there will be a deterrent for future infractions
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learning zone CONTINUING PROFESSIONAL DEVELOPMENT Page 58 Systematic review: 2 multiple choice questionnaire Page 59 Read Amy Causey’s practice profile on total hip replacement Page 60 Guidelines on how to write a practice profile Learning how to undertake a systematic review: part 2 NS557 Bettany-Saltikov J (2010) Learning how to undertake a systematic review: part 2. Nursing Standard. 24‚ 51‚ 47-56. Date of acceptance: February 8 2010. Summary This article‚ the second in a two-part series
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Building Security In Editor: Gary McGraw‚ gem@cigital.com Software Security S oftware security is the idea of engineering software so that it continues to function correctly under malicious attack. Most technologists acknowledge this undertaking’s importance‚ but they need some help in understanding how to tackle it. This new department GARY MCG RAW Cigital 80 aims to provide that help by exploring software security best practices. The software security field is a relatively
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Capsim Success Measures RETURN ON EQUITY (ROE) Formula Description: What Does Return On Equity Tell You? Return on equity (ROE) is net profit divided by total equity. Return on equity tells you how effectively a company is using the dollars invested in it by stockholders. ROE is the most often quoted single statistic when describing a firm ’s performance. It is also one of the statistics considered to be most useful by stockholders. RETURN ON ASSETS (ROA) Formula Description: You determine
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Risk and Reward in World Markets Managing Risk in an Unstable World As emerging markets generate greater shares of global supply and demand‚ companies need better methods to weigh political risk againstfinancialreward. by Ian Bremmer C ountries in turmoil elbow one another off the front page at a dizzying pace: Lebanon follows Ukraine follows Sudan follows Argentina. Companies‚ meanwhile‚ fear unpredictable change‚ even as they seek profit from the opportunities change creates-a freshly
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Risk and Return: Portfolio Theory and Asset Pricing Models Portfolio Theory Capital Asset Pricing Model (CAPM) Efficient frontier Capital Market Line (CML) Security Market Line (SML) Beta calculation Arbitrage pricing theory Fama-French 3-factor model Portfolio Theory • Suppose Asset A has an expected return of 10 percent and a standard deviation of 20 percent. Asset B has an expected return of 16 percent and a standard deviation of 40 percent. If the correlation between A and B is 0.6
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