CHAPTER 17 DATA MODELING AND DATABASE DESIGN SUGGESTED ANSWERS TO DISCUSSION QUESTIONS 17.1 Why is it not necessary to model activities such as entering information about customers or suppliers‚ mailing invoices to customers‚ and recording invoices received from suppliers as events in an REA diagram? The REA data model is used to develop databases that can meet both transaction
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2.2.3 Data Collection Another crucial stage that cannot be ignored is deciding on the type and nature of data that is to be used in the research. Ideally‚ there are three types of data that a researcher can collect using primary research. First‚ the data can be quantitative in nature. This refers to data that is capable of been converted into a numerical value (Kothari 2004). One of the benefits of quantitative data is that its measurement does not require critical reviews‚ making it easy to collect
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research because they allow the researchers to analyze empirical data needed to interpret the findings and draw conclusions based on the results of the research. According to Portney and Watkins (2009)‚ all studies require a description of subjects and responses that are obtained through measuring central tendency‚ so all studies use descriptive statistics to present an appropriate use of statistical tests and the validity of data interpretation. Although descriptive statistics do not allow general
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EXAMINATION MISCONDUCT IN THE NIGERIAN UNIVERSITIES BY EZE CHINAZA .P. DEPARTMENT OF EDUCATION MANAGEMENT AND POLICY (ECONOMICS OPTION) ANAMBRA STATE UNIVERSITY ULI 01/05/09 INTRODUCTION Education is a very important tool in the development of an individual and consequently‚ of a nation. Unfortunately in Nigeria today‚ Education is suffering severe crisis. It is besieged by some forces like Lack of commitment by students. Insufficient funding by the government. The menace
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Activity 1 Report on Data Management Contents Page Title Page(s) Introduction 4 Why Collect HR Data 4 Types of HR Data and how it supports HR 4 Data Storage and its Benefits 5 Essential UK legislations relating to recording‚ storing and accessing HR data 5-6 Conclusion 6 Reference List 7 Introduction HR data would need to be stored by all organisations due to either legal requirements or internal purposes. This report will uncover
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cash of ` 16‚00‚000 which it wants to invest in short-term marketable securities. Expenses relating to investment will be ` 40‚000. The securities invested will have an annual yield of 8%. The co. seeks your advice as to the period of investment so as to earn a pre-tax income of 4%. Also find the minimum period for the company to break-even its investment expenditure. Ignore time value of money. (b) What do you mean by Listing of securities. Explain! (8+7) 3. Write short note on : (a) Demutualization
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consequently‚ meant they always followed his orders and the army therefore was always in unison and working together to defeat the whites. As a result of Trotsky always travelling around‚ it made communications easy so orders could be sent quickly through people such as Trotsky and this was important for the war as it meant the army could react quickly and always have the upper hand. Also‚ because much of Russia’s industry and raw materials was located along the train lines it made it possible for the Bolsheviks
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CELEBRATING EXAMINATION MALPRACTICE? NECO SSCE results this year are the best in five years‚ maybe so‚ to say. But the question is‚ do the results indicate an improvement in standards? Without hesitation‚ I say a big "No!" Truth must be told. EXAMINATION MALPRACTICES have got more ruthless. In my opinion‚ out of the over 1 million candidates that took part in the exams‚ at least 900 thousand must have engaged in malpractice! Is this an outrageous estimation? I want somebody to prove me wrong;
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Chapter 1 Exercises 1. What is data mining? In your answer‚ address the following: Data mining refers to the process or method that extracts or \mines" interesting knowledge or patterns from large amounts of data. (a) Is it another hype? Data mining is not another hype. Instead‚ the need for data mining has arisen due to the wide availability of huge amounts of data and the imminent need for turning such data into useful information and knowledge. Thus‚ data mining can be viewed as the result of
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Why is Creativity So Important In Modern/Progressive Companies Today? Progressive companies today usually conjure up characteristics of being forward thinking‚ proactive‚ willingness to learn from others‚ the willingness to be open to criticism and daring to be different. Some of the names that come to mind includes the predictable‚ admired few like Apple‚ Google and General Electric. They all embody the above stated qualities. The underlying common denominator of these qualities is actually creativity
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