Statistics involves the development of methods and tests that are used to quantitatively define the variability inherent in data‚ the probability of certain outcomes‚ and the error and uncertainty associated with those outcomes. Some statistics are biased‚ some are based on opinions‚ and some are fabricated. A common misconception is that statistics provide a measure of proof that something is true. Instead‚ statistics provide a measure of the probability of observing a certain result. It is easy
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of all‚ I would like to say Alhamdulillah for giving me the strength and health to do this project work. Not forgotten‚ thank you to my parents for providing everything‚ such as many to buy anything that is related to this project work and their advice‚ which is the most need for this project. Besides that‚ another source like internet‚ books‚ computer and all items that needed to complete this project. They also support me and encourage me to complete this task so that I will not procrastinate
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1. First enter the Real estate data (text book data set 1) into SPSS and then select a sample of size‚ n = last two digits of your ID and answer the exercises. I. Select an appropriate class interval and organize the “Selling price” into a frequency distribution. II. Compute the Mean‚ Median‚ Mode‚ Standard Deviation‚ Variance‚ Quartiles‚ 9th Decile‚ 10th Percentile and Range of “Selling price” from the raw data of your sample and interpret. III. Develop a histogram (Using question “1”) for
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Outline and assess the usefulness of official statistics of crime to sociologists. There are three main sources of information about the crimes for sociologists – the official crime statistics‚ which are collected by the police and are presented as secondary data for sociologists; victim survey such as British Crime Survey‚ which is also collected by the police and sponsored by the government‚ and in order to collect primary data sociologists use self-report studies and its aim is to uncover the
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and majority employees “explain” the lower salaries of minority employees? Typically‚ memos of this sort are organized as follows: 1. Introduction. What are you going to talk about? Why are these issues important? (Note that because this is a statistics class rather than a policy course‚ this will be just one short paragraph.) 2. Methods: What is your data source and approach for addressing these issues? 3. Findings: What did you find? (This section will be the bulk of your memo). 4. Conclusions:
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Evelyn Bruce Statistical Analyses BSHS 435/Research and Statistics in Human Services June 1‚ 2015 Summarization The article “Free Web-Based Statistical Analysis: A Viable Option for Human-Service Agencies‚” describe the benefits of statistical analyses to determine the appropriate web-based system for a human services agencies. The main article focuses include data analysis‚ descriptive statistics‚ inferential statistic‚ the internet‚ and web-based statistical procedures for human services
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M&Ms® Project Report September 12‚ 2013 Abstract This paper will discuss the methods taught in Statistics this past semesters using what is being referred to as the M&M® project. Methods include random sampling‚ calculating random proportions‚ mean‚ standard deviations‚ creating histograms and identifying their shape such as bell‚ constructing confidence intervals for proportions and hypothesis testing of the samples. Each section of the M&M® project will demonstrate
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Data Analysis Descriptive Statistics‚ Estimation‚ Regression & Correlation Treatment Effects of a Drug on Cognitive Functioning in Children with Mental Retardation and ADHD Hossam Elhowary MATH-1016-15 Dr. Maria DeLucia December 09‚ 2014 Introduction The purpose of this survey was to investigate the cognitive effects of stimulant medication in children with mental retardation and Attention-Deficit/Hyperactivity Disorder. Twenty four children were given various dosage of a drug a placebo and
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1. A recent issue of Fortune Magazine reported that the following companies had the lowest sales per employee among the Fortune 500 companies. [20 Marks] | |Company |Sales per Employee ($1000s) |Sales Rank | | |Seagate Technology |$42.20 |285 | | |SSMC | 42.19
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1. Question : Employees of a local university have been classified according to gender and job type. If an employee is selected at random what is the probability that the employee is male? Answer: .667 2. Question : Employees of a local university have been classified according to gender and job type. If an employee is selected at random what is the probability that the employee is female given that the employee is a salaried member of staff? Answer:
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