| | Group 2Team 2 | Statistic Assignment - Lecturer: Sienney Liu | | Team members: Nguyen Ngoc Bao Chau s3408641Dinh Bach Nga s3410233Huynh Minh Khoa s3409594 | QUESTION 1: Use Excel to create a histogram which displays the frequencies of different satisfaction levels collected from the guests in each of the two hotels. Be sure to include the two Frequency Distribution tables with your two histograms. Bin | Frequency | 0 | 1 | 2 | 22 | 4 | 24 |
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The Columbian Exchange Statistics By the Numbers Estimated population of Europe in 1492: about 60 million Estimated population of the Americas in 1492: 40-100 million Estimated population of Europe in 1800: 150 million Estimated population of the Americas in 1800: 25 million (the vast majority of whom were of European or African descent) Major domesticated animals in the New World in 1492: dog‚ llama Major domesticated animals in the Old World in 1492: horse‚ cow‚ pig‚ sheep‚ goat‚ chicken
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Research‚ Statistics‚ and Psychology PSY 315 Amber Lupo November 8‚ 2010 Amber Nelson “The definition of scientific method is a method of research in which a hypothesis is tested by means of a carefully documented control experiment that can be repeated by any other researcher” (yourdictionary.com‚ 2010.) “Research is the scholarly or scientific investigation or inquiry” (American Heritage Dictionary‚ 2000.) Primary and secondary data are dependent to each other‚ but also completely
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STATISTICS PROJECT The balance is a interval‚ numerical and continuous variable. The ATM is a ratio‚ numerical‚ discrete variable. Services is a ratio‚ numerical‚ discrete variable. Debit‚ interest and city are a categorical‚ nominal variable. As the graph‚ shows below‚ the balance of the typical customer‚ otherwise known as the mean is equal to 1499.87. 12 customers have more than $2‚000 in their account. This number is relatively high because the account balances tend to cluster
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221 Quiz Review for Weeks 3 and 4 1. State whether the variable is discrete or continuous. The # of keys on each student’s key chain. 2. Decide whether the experiment is a binomial experiment. Explain why by citing the properties of binomial experiments. Testing a pain reliever using 20 people to determine if it is effective. The random variable represents the number of people who find the pain reliever to be effective. 3. Use the binomial probability distribution to answer the following
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Juvenile Crime Statistics William Scott Bennett CJA/374 September 24‚ 2012 LeDetra C. Jones Juvenile Arrests 2008 Data is collected by law enforcement agencies within the United States and submitted to the Federal Bureau of Investigations for tracking purposes. These numbers are used by analysts at the FBI to indicate trends in crime and to possibly develop alternative policing methods. A statistician can manipulate numbers to show what they feel is relevant‚ but aside from
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Sohal‚ S 04/05/11 (HLT-362 V) Applied Statistics for Healthcare Professionals Exercise 18 Q1. Assuming that the distribution is normal for weight relative to the ideal and 99% of the male participants scored between ( - 53.68‚ 64.64)‚where did 95% of the values for weight relative to the ideal lie? Round your answer to two decimal places. Answer: Mean of weight relative to ideal = 5.48 and Standard Deviation (σ) = 22.93. Calculation: (x bar) 1.96(σ) 5.48± 1.96(22.93) 5.48 - 1.96(22.93)
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Memo To: Members of the Centervale City Council From: Director of Data Analysis CC: Delicia Terrell Date: 3/3/2011 Re: Crime Statistics Research and Review Crime in our nation is a serious problem today. Not only is criminal activity dangerous for the American people but it is expensive as well. The harshest of crimes being homicide‚ in 2008 it was reported that there were 15‚672 murders committed compared to the year 2009 which 14‚558 murders took place. According to Fox News studies there
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values of the variable in the data set and dividing by the number of observations. Population arithmetic mean ‐ The population arithmetic mean‚ µ‚ is computed using all the individuals in a population and is a parameter. Sample arithmetic mean ‐ The sample arithmetic mean‚ x ‚ is computed using sample data and is a statistic. Mean – Although other types of means exist‚ the arithmetic mean is generally referred to as the mean. Median ‐ The median of a variable is the value that lies in the middle of the data when arranged in
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1.) From the identified threats & vulnerabilities from Lab #1 – (List At Least 3 and No More than 5‚ High/Medium/Low Nessus Risk Factor Definitions for Vulnerabilities) a. Fire destroys primary data center b. User downloads an unknown e-mail attachment c. Hacker penetrates your IT infrastructure and gains access to your internal network d. Workstation OS has known software vulnerability 2.) For the above identified threats and vulnerabilities‚ which of the following COBIT P09 Risk Management control
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