QMT2033 BUSINESS STATISTICS Assignment for mid -term break 1. Most of the information technology developers claim that wireless connection would give speed of at least 11 Mbps compared to wired connection. A sample of 105 computers using wireless connection shows it gives a mean of 11.7 Mbps and a standard deviation of 2.3 Mbps. a) Do you think that the wireless usage should be implemented? Test at 7% significance level). b) Repeat the test by using p-value approach. 2. A jack is usually used
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Official Statistics on crime are often likened to the ¡§tip of an Iceberg¡¨. Critically assess this assertion in light of the ¡§dark figure¡¨ of crime and any new forms of data that can provide a clearer picture of the true extent of crime. Crime is continuously changing in its definition in people¡¦s perceptions with no complex classification being universally accepted. This forms the basis of the problems faced when attempting to count crime‚ who determines what crime is; the government of
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Examine the reasons why some sociologists choose to use official statistics when conducting research. Firstly‚ official statistics are a source of secondary quantitative data which are gathered by the government or other official bodies. Many reasons for their use by sociologists when conducting research stems from the fact that they are a form of secondary data; meaning that they are not collected by the sociologist themselves. This makes them high in practicality‚ representativeness and reliability
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Subject Areas Use of Statistics 1. World of Sports • Enter results from the different tournaments around the world • Research projects to improve the quality of the game and keep the fans interested • provide analysis on players and team strategy‚ as well as tackle larger research projects • statistical t tools include basic regression analysis‚ logistic regression‚ Monte Carlo simulation‚ classification‚ and hierarchical regression 2. Education • Statistics provides simple yet instant information
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Descriptive essay Eng- 111 17‚ September 2010 Upon opening my eyes as I wake up I stretch while taking a glance at the cursing clock that seems to hate me. I call my clock that because every day it seems as if it wants to wake me up at a later time each day. Than as my thoughts start to gather I realize that it’s the weekend‚ which means I can finally relax. I told myself that once the weekend comes I need to go get my nails done and finally relax and release all the stress and tension. In my
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Statistics Real Life Example #2Article: http://america.aljazeera.com/articles/2014/10/21/us-ebola-airports.htmlMy article is covering the recent “Ebola Outbreak”. In this‚ people are direly afraid of catching the Ebola virus. They are even going as far as screening people in airports who come from‚ and travel to‚ places where Ebola is much more spread amongst the population (mostly in Africa‚ for now). The article quotes: “Some members of Congress have urged President Barack Obama to ban all travel
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TDA31-1.1 Explain why effective communication is important in developing positive relationships with children‚ young people and adults. We have to communicate with other adults in a clear‚ precise and understanding way to show them that we are listening to them and that we respect them and their opinions‚ if we communicate in this way few misunderstandings will occur and a positive relationship can be built. From my own experiences of working alongside other adults over the years it has shown
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Statistics in Business Katherine Wolf QNT/275 April 3‚ 2015 Barry Adkins Statistics in Business Statistics is all about collecting numerical data‚ organizing it‚ and interpreting the data to form hypothesis. While interpreting the data we are able to draw all kinds of conclusions from weather forecasts to how much money a company is projected to make over the next year. There are different types of statistics that can be used for different outcomes. You have to first identify the
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Statistics in Business QNT/275 January 12‚ 2015 Kim Gravelle Statistics in Business Statistics are simply a way of gathering information from data. Learning from data is the essential use of statistics. The extraction of answers from data provides the foot print for further investigation and research. There are several different types and levels of statistics‚ they are nominal‚ ordinal‚ interval‚ and ratio ("Data Levels of Measurement"‚ 2014). The first level being nominal‚ allows for the use
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not = 440 Statistic 4.9 With 98% confidence Lower limit 3.05348411 Upper limit 24.7249703 With 98% confidence we cannot reject Ho since the statistic is inside the acceptance zone b) Check the same hypothesis with 95% confidence. With 95% confidence Lower limit 3.81574825 Upper limit 21.9200493 With 95% confidence we cannot reject Ho since the statistic is inside
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