Statistical Analysis BU 510 601 2 Credit Hours Fall 2013 Instructor: Shrikant Panwalkar Office phone: (410) 234 9456 Office Hours: By appointment panwalkar@jhu.edu Required Text and Learning Materials Business Statistics in Practice; 6th Edition‚ McGraw-Hill Higher Education‚ ISBN-13 978-0-07-340183-6 (There are other ISBN numbers) Authors: Bowerman‚ Bruce; O’Connell‚ Richard. (the cover shows a third author – Murphree) Please note: 7th edition is available‚ however
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5 samples: * Worker ID * Age * Department * Length of service * Percentage of cell damage The above samples are independent within and also between each other. To obtain an accurate analysis of the data‚ the normality‚ box plot and straight-line relationship and independence of the statistical analysis will be checked. The Null or Alternative Hypothesis will be accepted or rejected on the basis of a statistical analysis‚ which will be used to analyse the median
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universally. The scale is chosen depending on the information that the data is intending to represent. The four scales of measurement of data are nominal‚ ordinal‚ interval‚ and ratio. Each plays a different‚ yet very important role in the world of statistic a) Nominal scale Is the lowest level in scales of measurement? Is a way of grouping behavior‚ where actual numbers are simply labels or identifiers. -they do not put subjects in any particular order: no logical basis for the answers in each
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GM 03 Business Statistics Assignment II Assignment Code: 2012 GM03 B2 Last Date of Submission: 15th November 2012 Maximum Marks: 100 Attempt all the questions. All questions are compulsory and carry equal marks. SECTION – A 1. a) Explain the need for different forecasting techniques. How can we evaluate as to how good is our forecast. b) Collect data on the amount of expenditure you do each day for the next 25 days and
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Executive Summary Platinum Box is a Canadian company that when started in 1985 specialized in graphic design. In1992 with sales of $5‚000‚000 and 20 employees the decision was made to have Platinum expand it’s operation to include fold down boxes. By 2005 Platinum’s sales had expanded to $20‚000‚000 with 75 employees. Jim Hicza‚ the President of Platinum has announced that the company will be expanding into the United States. This is expected to double Platinums sales in just 3 years. In order
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shorter than TT Air‚ it does not significantly affect the output as the one day does not change much (unless there had been a market shock). However based on Central Limit Theorem‚ if the sample size is greater than or equal to 30 samples‚ the sample statistics reflect the time population parameters. • The Median data does not show much in this case as the range (4.7 AA Fly and 6.8 TT Air) is small for both AA Fly and TT Air. This means that the mean is more applicable to be used. • The Mode of AA
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Major problems: 1 - The transparency issues: • Canadian investors kept buying the commercial paper without any concerns‚ caring only about the high returns received. Therefore‚ on a “don’t ask‚ don’t tell” basis‚ banks did not feel obligated to disclose further details about the risks and nature of the ABCP or the assets underlying it • Considering that the banks earn a transaction fee from selling securities‚ it may have been more profitable for them to hide the risks from investors and
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Trajico‚ Maria Liticia D. BSEd III-A2 REFLECTION The first thing that puffs in my mind when I heard the word STATISTIC is that it was a very hard subject because it is another branch of mathematics that will make my head or brain bleed of thinking of how I will handle it. I have learned that statistic is a branch of mathematics concerned with the study of information that is expressed in numbers‚ for example information about the number of times something happens. As I examined on what
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movie because of the plot suffered and production of the movie was poor. The plot was a very apparent problem; with the bad pacing and easily avoidable plot it made for a less interesting movie. For the first thirty minutes of the movie the characters are introduced and the story of how Scotty Smalls became friends with the kids at the sandlot was shown. The rest of the movie‚ until the last thirty minutes‚ consisted only of random fillers that provided little for the plot that made the movie much
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P1-2010-2011-Spring Bus531 Standard Normaal Probability Problems 1- A university reported admission statistics for 3339 students who were admitted for freshmen for the fall semester of 1998. Of these students‚ 1590 had taken the Scholastic Aptitude Test (SAT). Assume the SAT verbal scores were normally distributed with a mean of 530 and a standard deviation of 70. a – What percentage of students were admitted with SAT verbal scores between 500 and 600? b - What percentage of students were
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