Complex Statistics Problems with Elaborate Answers : Page - 6

Course Code   :  IMAT5238

Course Title   :  Data Mining Techniques and Applications

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ObjectivesObjectives: The aim of this activity is to get you to think how the data collected at a person’s place of employment could be used against them. -Have given some thought to the data that is naturally collected at a person’s place of employment. -Have had the opportunity to compare and discuss your opinions with peers in your discussion group. -Read Baker Stephen (2009). They’ve got your number…Data,...

Course Code   :  IE5002

Course Title   :  applied engineering statistics

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1. Understanding Importance Sampling and Its Properties1. Assume that the instrumental distribution g in importance sampling (with unstandardized weights) is chosen such that f(x) < M·g(x) for all x and a suitable M ? R, where f is the target distribution.   (a) Show that Varg(w?(X))< M ? 1.   (b) Show that Varg(w?(X)·h(X)) is finite, if Varf (h(x)) is finite.   2. Ass...

Assignment Task (LO 3 - 7)Assignment BriefAs part of the formal assessment for the programme you are required to submit a Data Visualisation and Interpretation assignment. Please refer to your Student Handbook for full details of the programme assessment scheme and general information on preparing and submitting assignments.   Learning Outcomes:After completing the module, you should be able to:1) Evaluate methods of data visuali...

Course Code   :  MATH239

Course Title   :  data analysis and presentation

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Assignment InstructionsAssignment Instructions: The course project allows you to utilize the skills that you have learned in the course to develop and present an analysis of a large data set. You will be required to include specific analyses in your report and present the results to your colleagues. There will be a focus on using technology throughout the project. Specific details of the course project: You may choose data from any sourc...

Question During the Covid-19 pandemic, working from home has become the norm. Because of this, many households face an increasing monthly electricity bill. Mr. Tan is a research student at the Singapore University of Social Sciences, and his research focus is to examine the impact of Covid-19 on household electricity consumption. He hypothesised that the average monthly electricity bill in a household has increased more than $5 during the Covid...

Course Code   :  GRA65476

Course Title   :  research methodology in finance

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Importing Data and Dropping Unnecessary FeaturesGo to Yahoo Finance and download data on the following three stock market indices for the longest possible time period: S&P500, DAX30, and Nikkei225. Import the data into MATLAB. Since your main variable of interest is the “adjusted closing price” of each index, you can drop all other variables.After merging the data, you realize that all three time series ...

Course Code   :  CONL708

Course Title   :  machine learning

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In this task, you need to use Principal Component Analysis (PCA) to understand the characteristics of the datasets. Use Pandas to load both the training data set and the test set (1 mark). Show one scatter plot, that is, one feature against another feature on the training set. It is your choice to show which two features you want to use (2 marks). Normalise the training set and the test set using StandardScaler() (Hint: the para...

Course Code   :  MGQT6003

Course Title   :  modelling analysis for decision making in organisations

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Task 1Task 1 Analyse the key sources and flows of data that are collected, processed, stored and taken into account in the organisation’s decision-making process. Your analysis must include: A statement of all the current financial and non-financial data the organisation uses in its decision making; An analysis of data integrity and identified gaps; A map between business functions and data sources. Task 2 Based on the outc...

The Dominance of Intel in the Chip IndustryIntel has dominated the computer chip industry. Beginning with the iconic advertising campaign “Intel Inside,” the company has created a large market for powerful processors. This has allowed Intel to charge high prices to computer manufacturers (e.g., Dell, HP) who needed the best processor chips for personal computers and industrial mainframe servers to meet buyers’ expectations. A...

Course Code   :  BUS204

Course Title   :  business excellence

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A construction firm thinks that it is receiving 100 steel pipes with an average  tensile strength of 10,000 pounds per square inch(lbs p.s.i.).This is the mean,μ.The size of the sample was n=100.The firm also knows that the population standard deviation,sigma,σ,is 400 p.s.i.The firm chooses a confidence interval of 95 %.This is equivalent to a level of significance,α,of 5 %(.05),where the null hypothesis is H0:μ0=10,000 an...

Course Code   :  ETLW302

Course Title   :  business and society

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Tasks:This assignment is the class project report to the executives of your assigned company.  You written discussion is critical and should be well organized and grammatically correct.  The best reports are well written and use Minitab results to support the points being made.  This completed assignment is worth up to 30 points and serves as the class project Strategic Plan Forecast.  Late submissions will not be graded. ...

Course Code   :  MTH220e

Course Title   :  statistics methods and inference

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Question 1Instructions to students: This examination contains FIVE (5) questions and comprises SEVEN (7) printed pages (including cover page). You must answer ALL questions. All answers must be written in the answer book. Marks will only be awarded if FULL working is shown. This is an open-book examination. At the end of the examination Please ensure that you have written your examination number on each answer book used. ...

Course Code   :  STAT220

Course Title   :  Statistical Reasoning

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Question 11. Suppose you select a sample of three people from a population of four (A, B, C, D). Which of the following samples is possible using the experimental sampling strategy? A) Persons A, C, and A B) Persons A, D, and D C) Persons B, C, and D D) Persons B, A, and B 2. What is the central limit theorem? A) It explains that sample means will vary minimally from the population mean. B) It explains that a sampling distribution of po...

Course Code   :  MAT3051

Course Title   :  mathematics of data science

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You are required to collect the number of phone calls making per day for ten consecutive days. Once you have collected the data for ten days, you are required to prepare a report undertaking followings: 1. Arrange the data in a table format. (5 marks) 2. Present the data using any two types of charts of your choice. Example: Column chart, bar chart, scatter plot, line chart, pictograms, histograms etc. (10 marks) 3. Calculate and discuss th...

Task 1: Look at the dataset and select variables for analysisIn the first assignment (Assignment Descriptive Statistics Analysis Data Plan), you developed a scenario about annual household expenditures and a plan for analyzing the data using descriptive statistic methods. The purpose of this assignment is to carry out the descriptive statistics analysis plan and write up the results. The expected outcome of this assignment is a two to three pa...