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    Descriptive Statistics QNT/561 July 29‚ 2014 Descriptive Statistics Job Satisfaction Central Tendency: Mean=8.5 JDI Dispersion: Standard Deviation=1.16 JDI Number: 139 Min/Max: 7 to 10 JDI Confidence Interval: 8.36 to 8.75 JDI *JDI=Job Descriptive Index Months of Employment Central Tendency: Mean= 136.24 Months Dispersion: Standard Deviation= 117.26 Months Number: 139 Min/Max: 1 to 359 Months Confidence Interval: 116.74 to 155.73 Months Descriptive

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    Statistics in Business QNT/351 Statistics in Business What is statistics? Statistics is collecting‚ measuring‚ analyzing‚ and communicating data. There are two types of statistics‚ descriptive statistics and inferential statistics (Lind‚ Marchal‚ & Wathen‚ 2011). Statistics are applied in different situations. This paper will describe the role statistics has in making business decisions. This paper will also provide examples of situations in which statistics are applied

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    Statistics in Business QNT/351 Donald Lifke   Statistics in Business Statistics is defined as the science of data. It involves collecting‚ classifying‚ summarizing‚ organizing‚ analyzing‚ and interpreting numerical information. (McClave‚ Benson‚ & Sincich‚ 2011‚ p. 3). . There are two different application process involved in statistics; descriptive and inferential. Descriptive statistics is the analysis that helps describe‚ summarize or show data in a way to allow patterns to emerge

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    Week 6 Statistics Qnt 561

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    Chapt 10 # 42 H0: game length is >= 3.5 hours Ha: game length is < 3.5 hours mean = 2.9553 stdev = 0.5596 Get the t test statistic: t = (x-mu)/(stdev/sqrt(N)) t = (2.9553-3.5)/(0.5596/sqrt(17)) t = -4.0133 Get the critical value for df = N-1 = 16‚ one tail‚ alpha is 0.05: -1.7459 Since our test statistic is much lower than the critical value‚ we reject the null hypothesis. There is enough evidence to conclude that games are shorter than 3.50 hours. Chapt 11 # 58 The amount

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    Decision Making Project‚ Part 3 QNT/275 12/22/2014 Business Decision Making Project‚ Part 3 At the beginning of our week four team collaboration‚ members of Team A reflected on the outcomes of the study that we administered in the city of Pittsburgh‚ Pennsylvania. Our research utilized descriptive statistics to analyze the data that we collected. We were able to describe and summarize the data in a significant manner‚ by using charts and tables. Our descriptive statistics results involved measures

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    What Is Statistics

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    Statistics can be defined as “ the science that deals with the collection‚ classification‚ analysis‚ and interpretation of numerical facts of data‚ and that‚ by use of mathematical theories of probability‚ imposes order and regularity on aggregates of more or less disparate elements” (Dictionary.com‚ LLC‚ 2008). Yet how do we use these specific elements in our everyday working lives? Many don’t realize the extent to which we as a culture base our decisions on statistics. We us them in something

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    What Is Statistics?

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    WHAT IS STATISTICS? Statistics is the mathematical science involved in the application of quantitative principles to the collection‚ analysis‚ and presentation of numerical data. The practice of statistics utilizes data from some population in order to describe it meaningfully‚ to draw conclusions from it‚ and make informed decisions. The population may be a community‚ an organization‚ a production line‚ a service counter‚ or a phenomenon such as the weather. Statisticians determine which quantitative

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    What Is Statistics

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    Statistics in Business Statistics is a mathematical science pertaining to the collection‚ analysis‚ interpretation or explanation‚ and presentation of data. It also provides tools for prediction and forecasting based on data. It is applicable to a wide variety of academic disciplines‚ from the natural and social sciences to the humanities‚ government and business ("Statanalysis Consulting"‚ 2013).  Statistics is used in decision making that affects our everyday lives. The study of statistics

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    Week 5 - Inferential Statistics QNT/521 10/23/2014 Week 5 - Inferential Statistics TCSCK Investment Company ’s scenario poses the question: Is there a significant difference in price between the condominiums closer to the city compared to those further away from the city? The dependent variable is the price of the condominiums and the independent variable is distance from the city. Statistical Analytics The statistical tool used in our sampling is the t-score instead of the Z-score‚ reason being

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    Applied Research and Statistics QNT561 Research and Sampling Designs Shindeera Robinson June 21‚ 2010 Chapter 8 21. What is sampling error? Could the value of the sampling error be zero? If it were zero‚ what would this mean? Sampling error is the difference between the statistic estimated from a sample and the true population statistic. While we would expect the sampling error to not be zero‚ it is not impossible. For example if you were evaluating the ethnicities of a population and everyone

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