Confidence Intervals and Hypothesis Testing Name: Math 256‚ Nelson 1. A soft-drink machine is regulated so that the amount of drink dispensed is approximately normally distributed with a standard deviation equal to 1.5 deciliters. Find a 95% confidence interval for the mean of all drinks dispensed by this machine if a random sample of 36 drinks had an average content of 2.25 dl. 2. The heights of a random sample of 50 college students showed a mean of 174.5 centimeters. Assume the
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BICOL STATE COLLEGE OF APPLIED SCIENCE AND TECHNOLOGY NAGA CITY HISTORY OF STATISTICS Group 3 Members: Tricia Mae Berja Michelle Lee Desiree Basmayor Mica Rubio Gian Perucho Ivan Ricafort Ms. Donnalyn Matamorosa Dominic Bobis Teacher Alex Obligado Ancient Times (3000 BC – 27 BC) * Pictorial representation and other symbols were used for Statistics back in the days. (To record numbers of people‚ animals‚ etc.) * In Babylonia and China‚ population is
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History and Development of Statistics Simple forms of statistics have been used since the beginning of civilization‚ when pictorial representations or other symbols were used to record numbers of people‚ animals‚ and inanimate objects on skins‚ slabs‚ or sticks of wood and the walls of caves. Before 3000 BC theBabylonians used small clay tablets to record tabulations of agricultural yields and of commodities bartered or sold. The Egyptians analyzed the population and material wealth of their country
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Fatme Hassan Statistics in the workplace Statistical Methods Mrs. Barry Statistic in Nursing Working in the healthcare field requires critical thinking‚ analysis and observational studies on patient’s health in order to use the most appropriate treatment for the patient. Nursing involves protection‚ compassion‚ and abilities to reduce illnesses and injuries. Also‚ enhancing diagnosis and treatment of human response‚ and providing support in the care of individuals
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LESSON – 1 STATISTICS FOR MANAGEMENT Session – 1 Duration: 1 hr Meaning of Statistics The term statistics mean that the numerical statement as well as statistical methodology. When it is used in the sense of statistical data it refers to quantitative aspects of things and is a numerical description. Example: Income of family‚ production of automobile industry‚ sales of cars etc. These quantities are numerical. But there are some quantities‚ which are not in themselves numerical
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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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Association [ASA]‚ 2008). Statistics is a division of mathematics that centers on the collection and evaluation of data‚ which can be drawn upon to make conclusions (Aron‚ Aron‚ & Coups‚ 2006‚ 2). Two branches of statistics exist‚ including descriptive and inferential domains. Extrapolation beyond the data is where the real difference emerges. Indeed‚ these two subcategories vary in function and definition. However‚ a relationship exists between descriptive and inferential statistics‚ irrespective of the
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Statistics In Business Quantitative Analysis for Business September 22‚ 2013 Dr. John Kwagyan Introduction Statistics is a tool used in businesses for planning and measuring the various activities a business is engaged in. Descriptive and inferential statistics are two different types of statistics used in a business. Statistics is the most widely used quantitative method in business. Statistics describes a set of data and then it draws a conclusion from the data
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Statistics in Business Quantitative Analysis for Business University of Phoenix Tanya Bailey April 22‚ 2013 Statistics can sometimes be difficult for some individuals. Understanding the concept of statistics‚ which is known as the science of data‚ may help a person in the business world. This involves classifying‚ summarizing‚ analyzing‚ collecting‚ and interpreting numerical information. The information gathered from statistics can help startup companies‚ and even
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Statistical Description of Data The word ‘Statistics’ has been derived from the Latin word ‘Status’ which means a political state. It has also it’s either to the Italian word ‘Statista’ or the German word ‘Statistik’ each one of which means a political state. Statistics is defined as “the collection‚ presentation‚ analysis and interpretation of numerical data”. In olden days‚ the data that was collected and maintained for the welfare of the people belonging to the state. We are thankful
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