DATA COLLECTION Business Statistics Math 122a DLSU-D Source: Elementary Statistics (Reyes‚ Saren) Methods of Data Collection 1. 2. 3. 4. 5. DIRECT or INTERVIEW METHOD INDIRECT or QUESTIONNAIRE METHOD REGISTRATION METHOD OBSERVATION METHOD EXPERIMENT METHOD DIRECT or INTERVIEW Use at least two (2) persons – an INTERVIEWER & an INTERVIEWEE/S – exchanging information. Gives us precise & consistent information because clarifications can be made. Questions not fully understood by the respondent
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Systems In an article written By Suqing Wang‚ eHow Contributor SQL Server Vs. Oracle Data Types Database While designing and defining tables in databases‚ it is important to find out the data type for each column in the data tables. A data type is an attribute which defines the type of data an object can retain: integer‚ string‚ data and time‚ etc. There are basically three main types: text‚ numbers and date/times. The data types are different‚ depending on the database management system (DBMS)‚ the various
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Executive Summary for Wal-Mart Bridgette Smith ACC280/Principles of Accounting November 21‚ 2010 James E. Gajda Introduction There are large and small businesses all across the country‚ with many different public and private accounting firms that handle their accounts. Many of these businesses are raking in millions and millions of dollars a year. Wal-Mart is one of them. We will be exploring Wal-Mart and how it came about as a business‚ along with examining their balance sheets‚
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The first Wal-Mart store was opened on July 2nd 1962 in Rogers‚ Arkansas by Sam Walton‚ who believed that the future of retailing lay in discounting. To avoid competing head on with companies like Sears and Woolworths which dominated big cities‚ Walton opened stores in less populated areas that was ignored by other retailers. The stores aimed to serve customers who‚ up until then‚ had to travel long distances to save money‚ and to purchase daily household goods. Now they could buy the same goods
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Big data describes innovative methods and technologies to capture‚ distribute‚ manage and analyze larger-sized data sets with high rate and diverse structures that conventional data management methods are unable to handle. Digital data is now everywhere—in every sector public or private‚ economy‚ organization and customer of digital technology. There are many ways that big data can be used to create value across sectors of the global economy. It has demonstrated the capacity to improve predictions
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Reflection Paper # 1 – Is Wal-Mart Good for America? Brandon A. Grossberg University of Redlands School of Business “The secret of successful retailing is to give your customers what they want. And really‚ if you think about it from your point of view as a customer‚ you want everything: a wide assortment of good-quality merchandise; the lowest possible prices; guaranteed satisfaction with what you buy; friendly knowledgeable service; convenient hours; free
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Data Mining Melody McIntosh Dr. Janet Durgin Information Systems for Decision Making December 8‚ 2013 Introduction Data mining‚ or knowledge discovery‚ is the computer-assisted process of digging through and analyzing enormous sets of data and then extracting the meaning of the data. Data mining tools predict behaviors and future trends‚ allowing businesses to make proactive‚ knowledge- driven decisions Although data mining is still in its infancy
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An Oracle White Paper July 2010 Data Masking Best Practices Oracle White Paper—Data Masking Best Practices Executive Overview ........................................................................... 1 Introduction ....................................................................................... 1 The Challenges of Masking Data ....................................................... 2 Implementing Data Masking .............................................................. 2
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Residuals Date: _____________________ Introduction The fit of a linear function to a set of data can be assessed by analyzing__________________. A residual is the vertical distance between an observed data value and an estimated data value on a line of best fit. Representing residuals on a___________________________ provides a visual representation of the residuals for a set of data. A residual plot contains the points: (x‚ residual for x). A random residual plot‚ with both
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Case: Wal-Mart Members of the group: Marie Wemaere Liying Shi Adolfo Mac Consultant Group F 10‚ Champs Elysees Paris‚ France Rennes‚ 15th March 2006 Board of Directors of Wal-Mart Dear Sir/Madam‚ As a consultant group hired to analyse the current situation in your company‚ we have prepared a report on the problems it is facing‚ different viable alternatives and the description of the strategy that‚ we think‚ is going to help to overcome the difficulties. Wal-Mart Stores
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