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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BIO 2003 SUMMATIVE ASSIGNMENT 2 Introduction: The report analyses the result of a study on workers from brick and tile industries conducted by the Health and Safety Laboratory (HSL). HSL put down few criteria’s to the workers which being that neither of the workers from the tiles and brick industries should have worked in both the industries and that they did not smoke. The criteria’s put across was an assurance to attain reliable results. The essence of the study lies in detecting any difference
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Challenges in managing medication adherence in the community Assignment Pierre Galea MSc Mental Health Nursing NUR 5116 Professional Issues In Mental Health Nursing Introduction In mental health‚ from the discovery of the drug Chlorpromazine in the 1950’s‚ which was a major breakthrough in the treatment of mental illness‚ medication played an important role in the move from the big psychiatric asylums to care in the community (Howland 2007). Several studies continue to demonstrate
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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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The Controversy of Medication The Controversy of Medication The use of pharmacological treatment to manage behavioral problems‚ such as EBD and ADHD‚ is a frequently used‚ yet highly controversial topic. Medication seems to be the quick‚ convenient solution to behavioral problems. Research‚ for the most part‚ has shown positive results regarding medicating children with behavioral disorders‚ according to Rosenberg‚ Westling‚ and McLeskey (2007). However‚ many concerns‚ regarding the long-term
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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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Due 10/09/2010 Question 2: using research into street violence to illustrate your argument‚ identify dilemmas associated with relying on police statistics as a measure of crime. When the annual crime statistics are reported‚ they can generate many emotions within society. These feelings can be conflicting depending on whether the crime statistics show an increase or decrease in crime fields. When crime rates are down the community feels relieved‚ protected and safe‚ restoring confidence in the
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symmetrically distributed around the population mean? 7.27. In a random sample of 64 people‚ 48 are classified as “successful.” (a) Dete rmine the sample proportion‚ P‚ of “successful” people. (b)If the population proportion is 0.07‚ determine the standard error of the proportion. 8.1. If X = 85‚ mean=8‚ n=64‚ construct a 95% confidence interval estimate of the population mean‚ U. 8.2. If X = 125‚ mean = 24‚ and n = 36‚
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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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