Data Analytics Assignments

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ITMD 527 Assignment Data Analytics Department of Information Technology and Management 1. (10 points) Use your own language/text to answer the following questions: 1). What is the difference between one -tailed test and a two -tailed test? How to determine it and why it is important to determine that? Answer One Tailed Test Two Tailed Test It is called one tailed because hypothesis can be done only in one end of the Graph . It is called two tailed test ,…...

DataNormal Distribution

What Can Be Used to Analyze Data

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Things happen all the time: dice are rolled, it rains, buses arrive. After the fact, the specific outcomes are certain: the dice came up 3 and 4, there was half an inch of rain today, the bus took 3 minutes to arrive. Before, we can only talk about how likely the outcomes are. Probability distributions describe what we think the probability of each outcome is, which is sometimes more interesting to know than simply which single outcome is most likely.…...

Big DataDataNormal DistributionScience

LARGE DEVIATIONS THEORYAUTHORMd Ashif RezaMINIPROJECTMA202NAMEMD ASHIF REZAROLL170101023BRANCHCSEINTRODUCTIONIn probability theory the theory of

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LARGE DEVIATIONS THEORYAUTHOR:Md Ashif RezaMINI_PROJECT:MA202NAME:MD ASHIF REZAROLL:170101023BRANCH:CSEINTRODUCTIONIn probability theory, the theory of large deviations concerns the asymptotic behaviour ofremote tails of sequences of probability distributions. While some basic ideas of the theorycan be traced to Laplace, the formalization started with insurance mathematics, namely ruintheory with Cram©r and Lundberg. A unified formalization of large deviation theory wasdeveloped in 1966, in a paper by Varadhan. Large deviations theory formalizes the heuristicideas of concentration of measures and widely generalizes the notion of convergence…...

Normal DistributionTheory

Confidence Interval

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Radiation of microwave ovens has normal distribution with standard deviation ? =0. 6. A sample of 25 microwave ovens produced X = 0. 11. Determine a 95% confidence interval for the mean radiation. Solution : The population is normal, and the observed value X = 0. 11. (0. 11 ? 1. 96 ? 0. 6/v25, 0. 11 + 1. 96 ? 0. 6/v25) = (?. 1252, 3452) is a 95% confidence interval for ?. Q5. A manufacturer of pharmaceutical products…...

ConfidenceMicrowave OvenNormal Distribution

Cultural Distance Assignment

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CDj is the cultural distance between the host country (j) and the home country (in this case Germany). It is calculated with a summation of 4 different variables indicating different cultural dimensions. These are uncertainty avoidance, power distance, individualism/collectivism and masculinity/femininity. is the country j’s score on one of the four cultural dimension is the score of the home country (in this case Germany) on this dimension. is the variance of this particular dimension. Firstly, the distance on each dimension…...

CultureEgyptMeanNormal DistributionResearchSociety

Com 11-12

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It involves perceived scarce resources What is true with respect to interpersonal conflict? They are not engaged in conflict because conflict must be expressed Felix and Hector are facing differing views, but nothing has been voiced. What is true? All of these are true Frank and Samantha are facing predicaments Conflict is a hammer What is not true concerning common conflict metaphors identified in the textbook? Thinking of conflict as a game if you traditionally think of it as a…...

EducationNormal DistributionPsychology

Referee Report for Economics Manuscript

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“Different Risk-Adjusted Fund Performance Measures: A Comparison” Summary This paper compares various risk-adjusted performance measures for a set of mutual funds. The authors argue that performance measures based on Value-at-Risk (VaR) or Extreme Value Theory (EVT) are more appropriate than other popular performance measures such as the Sharpe ratio (SR), the Treynor index (TI) or Jensen´s Alpha (JA) . They propose a performance index similar to the SR and the TI based on losses calculated by means of VaR together…...

EconomicsNormal Distribution

Engineering Design Process

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An Industrial Engineer is designing a procurement process for Spinney’s Supermarket and after studying the demand for cereals, he concludes that the demand for cereals follows a normal distribution and falls between 200 to 230 boxes per week. Therefore, the demand of the cereal is a random variable because the demand can fluctuate between 200 and 230 boxes however; the demand will not decrease or increase tremendously unless some unusual event occurs. Using this estimate, the industrial engineer can decide…...

DesignEngineeringNormal Distribution

Manzana Insurance Case

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Introduction This study is designed to determine why the Fruitvale branch of Manzana Insurance is performing so poorly for Property Insurance. Golden Gates, a competitor of Manzana, numbers are estimated to outperform Manzana Fruitvale branch as well. There are several problems that are leading to the poor performance at this branch. This past quarter turnaround time increased again reaching 6 days, where Golden Gate is sitting at 2 days. Also the system is running very close to efficiency, which can…...

InsuranceNormal Distribution

Southwestern University (a) Case Analysis

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Southwestern University (SWU), a large state college in Stephenville, Texas, 30 miles south of the Dallas/Fort Worth metroplex, enrolls close to 20,000 students. To bolster its chances of reaching number-one ranking in the Big Eleven Conference, in 2003, SWU hired the legendary Pitterno as its head coach. One of Pitterno’s demands on joining SWU had been a new stadium. After the 6 months of SWU administrators’ study, Dr. Joel Wisner, president of SWU, had reached a decision to expand the…...

Normal DistributionUniversity

Standard Deviation use in the Business World

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Abstract This paper evaluates the role of standard deviation in business. As part of the evaluation, a brief summary of five different peer reviewed papers has been presented. Topics such as, the purpose of the study, the research questions, the hypothesis of the study, and the main findings of the study for the five papers, have been summarized by each of the learning team members. Standard Deviation use in the Business World Standard Deviation is a statistical measurement that shows…...

Normal DistributionResearchRiskThe Business World

Normal Distribution, Continuous and Discrete Data

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Discrete data are those data that can take on only particular and definite values. They are composed of individual values, typically represented by integers over an interval. In contrast, continuous data are data that can take on any intermediate value over an applicable range. Continuous data vary without discontinuity across an interval. The interval can be assumed to be infinitely divisible. Although it may be argued that money is continuous, it is discrete. In the United States, money has the…...

MeanNormal Distribution

Dakota Office Products Case

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Dakota current allocates warehousing, distribution and order entry cost equally to each customer. DOP’s pricing system is generally independent of the specific level of service provided for customers. They just chose a single cost drive. However, it’s not believable and proper to use this simple method to analyze costs when costs are more complex. So we need to use activity-based cost system to chose different cost drives and allocate costs based on the activity. We identify four different activities for…...

BusinessBusiness ManagementCustomer ServicesNormal Distribution

Hypothesis Testing Methods

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Task 1: Solve the following problems: A student of the author surveyed her friends and found that among 20 males, 4 smoke and among 30 female friends, 6 smoke. Give two reasons why these results should not be used for a hypothesis test of the claim that the proportions of male smokers and female smokers are equal. First, the sample is not random, it is a convenience sample and therefore cannot be trusted. Second, np҄ = x = 4 <…...

Normal DistributionScientific methodTesting

Lab report calibration of volumetric flask

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The purpose of this experiment is to study the relationship of several types of volumetric glassware and the accuracy of measuring the volumes of liquids very precisely in quantitative laboratory work. The accuracy of the measurement the volumes is the degree of closeness of measurements of a quantity’s actual volumes while the precision of the volumes is the degree to which repeated measurements under unchanged conditions show the same results. Each of volumetric glassware is marked with its total volume,…...

Normal DistributionPhysicsScience

Solution of investment

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The Fisher equation tells us that the real interest rate approximately equals the nominal rate minus the inflation rate. Suppose the (expected or realized) inflation rate increases from 3% to 5%. Does the Fisher equation imply that this increase will result in a fall in the real rate of interest? Explain. The Fisher equation relates nominal rates required by investors to real rates required by investors and inflation. You can think about this from two perspectives: Ex-ante (before) required Nominal…...

InvestmentMeanNormal DistributionStock

Normal Distribution

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Normal distribution is a statistics, which have been widely applied of all mathematical concepts, among large number of statisticians. Abraham de Moivre, an 18th century statistician and consultant to gamblers, noticed that as the number of events (N) increased, the distribution approached, forming a very smooth curve. He insisted that a new discovery of a mathematical expression for this curve could lead to an easier way to find solutions to probabilities of, “60 or more heads out of 100 coin…...

Normal Distribution

Problems and detailed solutions

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Paper Type:**Problem Solution essays**

Statistics - Introduction As defined by different scholars and mathematicians, statistics refers to the science of developing conclusions and learning from data, calculating and making informed decisions about a phenomena and its behavior through the use of data from calculated assumptions such as mean, mode, standard deviation, variance, and probability among many others (Pestman & Alberink, 2008). The following calculations will adopt several of the statistics assumptions to calculate results and make conclusions about the behavior of…...

Normal DistributionProblems

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What Can Be Used to Analyze Data

...From the expected life of a machine to the expected life of a human, exponential distribution successfully delivers the result .A random variable X is said to have an exponential distribution with PDF: f(x) = { "e -"x, x ‰ 0 and parameter ">0 wh...

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