Data Analysis and Decision Help Session 5 Fall 2013 P1 Chi-square Test Goodness of Fit A marketing company thinks that the proportion of people who prefer to get their news from different sources are the following: 25% from the TV‚ 43% from the Internet‚ 7% from the radio and 25% from the newspaper. In order to test their claim‚ they collect the following data: Source Internet Radio Newspaper Count TV 45 56 10 38 Can we be reasonably certain that their
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stored until (next) receiver is ready – Examples: email‚ pony express Computer Science CS677: Distributed OS Lecture 1‚ page 4 Transient Communication • Transient communication – Message is stored only so long as sending/receiving application are executing – Discard message if it can’t be delivered to next server/receiver – Example: transport-level communication services offer transient communication – Example: Typical network router – discard message if it can’t be delivered next
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Data transmission methods Transmission Transmission is the act of transporting information from one location to another via a signal. The signal may be analog or digital‚ and may travel in different media. Transmission: Communication of data by propagation and processing of signals. Signal processing is the representation‚ transformation and manipulation of signals plus the information they contain. Signal Types Signals: An electric or electromagnetic representations of data by which data is
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Gathering Research Data Introduction This following paper will be conducting research that is concerning the law enforcement and the jobs they have. The information that has been gathered will include job satisfaction and self-esteem. The goals of this research will be clearly stated and the appropriate methods for the research will be discussed. Gender diversity in the police workplace is another thing that will be discussed. The following question will be discussed: What is the
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Data Management Capability Introduction Agenda • LG CNS Overview • Domain Competency • Enterprise Business Concerns • LG CNS Data Management Capabilities – Product Information Management Solution – Product Content Management Services – Value-Added Services • Data Protection / IP • Customer Benefits • Next Steps A Look at LG Group LG Group corporate with 36 companies‚ 160‚000 employees at 130 overseas subsidiary Since Jan 5‚ 1947 Revenue : 94 Billion USD (07’) Highlights (9) (7)
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Introduction This report will give an overview of the aim behind collecting data‚ types of data collected‚ methods used and how the collection of the data supports the department’s practices. It will also give a brief outlook on the importance of legislation in recording‚ storing and accessing data. Why Organisations Need to Collect Data * To satisfy legal requirement: every few months there is some request from the government sector to gather‚ maintain and reports lots of information back
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Document Digitizing or Data Digitization Data Digitization or document digitizing is the process by which physical or manual records such as text‚ images‚ video‚ and audio are converted into digital formats. This is of vital significance when projects need directions based on already established facilities and the implementing agency needs to find the scope for expansion. Data Digitization is essential‚ but it is definitely not the core activity of most organizations that require it. Offshore
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1. ------------------------------------------------- Types of searching 2.1 Binary search tree In computer science‚ a binary search tree (BST) is a node based binary tree data structure which has the following properties: * The left subtree of a node contains only nodes with keys less than the node ’s key. * The right subtree of a node contains only nodes with keys greater than the node ’s key. * Both the left and right subtrees must also be binary search trees. From the
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TARGET DATA BREACH 2013/14 Introduction There are many types of breaches that can occur when it comes to secure systems and networks. The target breach of 2013/14 was due to human error. It is said that the company had easily stolen credentials. If there was the necessary secure measures taken‚ this breach could have been stopped. Target did not have an adequate firewall which is why the hackers were able to corrupt the system and steal personal information and credit card information. This whole
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Data Collection Data Collection is an important aspect of any type of research study. Inaccurate data collection can impact the results of a study and ultimately lead to invalid results. Data collection methods for impact evaluation vary along a continuum. At the one end of this continuum are quantatative methods and at the other end of the continuum are Qualitative methods for data collection . Quantitative and Qualitative Data collection methods The Quantitative data collection methods
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