APPLICATION FOR STATISTICAL CONCEPTS IN THE WEIGHT VARIATION OF SAMPLES JOSE ROMUALDO D. VINARAO Institute of Chemistry‚ University of the Philippines‚ Diliman Quezon City Date Performed: July 4‚ 2013 Date Submitted: July 10‚ 2013 ------------------------------------------------- METHODOLOGY In a gravimetric analysis‚ the determination is carried out by converting the analyte into an insoluble substance which is isolated and weighed1. In this experiment we used precipitation gravimetry
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Application of Statistical Concepts in the Determination of Weight Variation in Samples del Castillo‚ Kevin S. Department of Food Science and Nutrition‚ College of Home Economics University of the Philippines‚ Diliman‚ Quezon City‚ Philippines Date: 26 November 2012 ____________________________________________________________________________________ Results and Discussion Statistics is one of the important tools used in chemistry. It defines the measurements gathered‚ and characterizes
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National Health Care Association * What aspect of the job is most satisfying for the nurses? What appears to be the least satisfying? In what area(s)‚ if any‚ do you feel improvements should be made? Discuss. Descriptive Statistics are as follows: Summary measures for selected variables | | | | Work | Pay | Promotion | | Count | 50.000 | 50.000 | 50.000 | | Mean | 79.800 | 54.460
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Summary 2 Why Data Preprocessing? • Data in the real world is dirty – incomplete: lacking attribute values‚ lacking certain attributes of interest‚ or containing only aggregate data • e.g.‚ occupation=“ ” – noisy: containing errors or outliers • e.g.‚ Salary=“-10” – inconsistent: containing discrepancies in codes or names • e.g.‚ Age=“42” Birthday=“03/07/1997” • e.g.‚ Was rating “1‚2‚3”‚ now rating “A‚ B‚ C” • e.g.‚ discrepancy between duplicate records 3 Why Is Data Dirty
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quickly. The Tipping Point changes the way people in America think about selling products and disseminating ideas. According to Gladwell‚ “I don’t really think of myself as an outlier.” This quote reflects to how majority of our citizens behaves in our society because of the fact that there are people who consider themselves as outliers based upon their race‚ appearance‚ and their culture. This situation also displayed in Malcolm X’s life and his point of view of what America is all about. Just like Malcolm
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Fitness Center Report With the launch of AJ’s Fitness and as their current MBA intern‚ I was tasked with analyzing the results of a recent survey that was given the fitness center’s current members. Of the 1‚833 members surveyed‚ we receive 133 usable responses. The following report details an analysis of the results from the membership survey‚ as well as some suggested changes that can be implemented by new management to increase overall membership satisfaction. Overall Satisfaction &
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Gender Discrimination: A Statistical Analysis Gender discrimination‚ or sex discrimination‚ may be characterized as the unequal treatment of a person based solely on that person ’s sex. . It is apparent that gender discrimination is pervasive in the modern workplace‚ however‚ its presence and effects are often misrepresented and misunderstood. Statistical testing plays an important role in cases where the existence of discrimination is a disputed issue and has been used extensively to compare expected
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The Health of your Heart Introduction Keeping a healthy heart is vital for good health. This is because as cardiovascular fitness increases‚ so does the efficiency of the body. The heart becomes stronger and stronger every time you use it. Aerobic or cardiovascular fitness is measured by how efficient a person can pump oxygen to their working muscles to supply energy. It decreases the danger of getting life-threatening cardiovascular diseases. cardiovascular fitness is usually improved
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References: (2012). The Effects of Outliers: Outliers. Statistics Lectures. Retrieved from http://www.statisticslectures.com/topics/outliereffects/ Final Exam: Part II July 21‚ 2014 The study consists of research on adolescent girls who attend four different schools Freyberg‚ R. (2009). Quantitive
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reliable and precise as I don’t have any outliers and my graph shows that the increase of STS is directly proportional to the time taken for the solution to become cloudy. To make sure that my test went accurately and precisely I made sure that my timing was accurately done not pressing the timer too early or late. This again shows that my test was a fair
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