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Statistics
Question 1: Commuting Time Probability A professor commutes daily from Clementi Station to his office. The avenge time for a one-way trip is 24 minutes. with a standard deviation of 3.8 minutes. Assume the distribution of trip times to be normally distributed. (a) Compute the probability that a trip will take at least 0.5 hour. If the professor has to be in his office at 8.30 am and he leaves Clementi Station at 8.15 am daily. compute the...
QuestionsThe Task The main focus of this project is for you to find/gather, organize, analyze and present data. You will be choosing a topic, designing and carrying out a statistical study. Your study will include relevant descriptive statistics that you have learned about in this course. Your final project will consist of three parts – a proposal, a written report and a video recorded presentation which you will upload to YouTube...
Legal Requirements for Pet Ownership in South AfricaThis is a case study on animal protection act 1962,many homes in South Africa keep dogs as pets. However, rules and regulations should be observed as stipulated by the animal protection act of 1962 (Buys 2020, p.91). For instance, any person rearing a dog but does not follow the set actions and its bylaws are deemed to getting a penalty of about R4000 (Nieman et al. 2019). Otherwise, such...
Question 1: Normal Linear Regression Model for 'FoodExpenditure' Data1. Consider the “FoodExpenditure” data built into R. It is available within the betareg package and can be brought into your workspace using the command: data ("FoodExpenditure”, package="betareg") After applying this command, you should be able to access the data under the name “Food- Expenditure”. (The data have also been posted as a text...
Questions: Introduction• When anticipating an opponent’s intentions in fast ball sports, expert performers are thought to initially rely on contextual information (e.g., player positioning,shot sequencing) with relevant postural cues becoming available closer to the moment of the opponent’s racket-ball contact (Müller & Abernethy, 2012).• Research is therefore required which examines the cognitive mechanisms underp...
Subject of assignmentSubject of assignment: Quantitative Data Analysis. Details are attached of a management research commission involving the analysis of quantitative data. The data set is available on the module’s Canvas web-page. The required data set is available in IBM SPSS format, with the file name “Southlands Components”. You are required to submit a report answering all of the various questions (i.e. all parts of Q...
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Steps of quantitative research processSteps of quantitative research process Problem identification. This involves identifying a research problem and developing research questions. Literature review. Once the problem is identified, the research learns about the topic under investigation. This is done in order to provide foundational knowledge in the topic. Clarity of the problem. Often the identified problem is broad. Once existing literatu...
Question 1Question 11.Which of the following is the best example of a data mining application? a. An MIT professor proved a mathematic theorem that can help predict stock prices. b. The Internal Revenue Service used a software system, built based on the historical records, to identity fraudulent tax returns. c. Using Google, a retired mailman found his long lost high...
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ScenarioYour company, the maker of StackBook laptops (you may remember this scenario from MRT285), is interested in understanding customer loss and retention. The supplied file is a list of almost 22,000 customers spanning eight years’ worth of activity, containing information about their purchase history. Each record represents the purchase history for one customer, including the number of purchases and the dates of the first and last p...
Task 1: Research Topic MindmapTask 1: Research topic mindmapYou are required to choose a topic for the research project, that you will deliver via this portfolio.The topic should be related to your study subject, an outcome of brainstorming and consideration of areas that you are interested in. Use online tools (e.g. free software GoConqr) to create a mindmap of the subject-specific areas that interests you and logically navigate to the specif...
Question 11 (a) A study was conducted to analyse the relationship between mathematical ability and musical ability for a group of 10 lower-primary school students. The data is shown in Table Q1(a). (i) Sketch the scatterplot and present your observation. (ii) Analyse and compute the Pearson correlation coefficient.(iii) Assuming a linear relationship with music score as the dependant variable, determine the least square linear regression l...
TaskQuestion 1 (26 marks)a) For the following five variables, identify the level at which it is measured (nominal, ordinal, interval, or ratio) and then whether it is a discrete or continuous variable. 1. Time on email – How many hours per week do you spend sending and answering email? 2. Life satisfaction – On the whole, are you very satisfied, fairly satisfied, not very satisfied, or not at all satisfied with the life you lead?3....
The Effect of Extending the Loan Term on Monthly Payment and Total CostThis assignment is on low car payment when you go to buy a car, you may have the opportunity to have a lower car payment by extending the length of the loan.But how much is this lower payment really costing? In this sheet you will fill in some tables that deal with different interest rates that illustrate what effect a lower monthly payment has on both the term of a loan ...
Problem 1: Exponential Distribution and Poisson ProcessInstructions: This exam was written, with the intention of a student not using their notes or the textbook. A formula sheet is included, that should have anyformula you might need. If you attempt to use your notes or the textbook to look things up, you will likely run out of time. You may use a calculator. Please allocate your time appropriately. You must show your calculations to receiv...
Part AIf a statistical table does not give an entry for the appropriate number(s) of degrees of freedom, then use the closest number(s) of degrees of freedom available. EARNINGS = current hourly earnings in $ S = years of schooling EXP = total out-of-school work experience in years IQ = IQ score, standardized to have a mean of 0, and a standard deviation of 1 MALE = gender of respondent (1 if male, 0 otherwise) ETHBLACK = African-America...
Question 1: Estimation of the Percentage of Adults Who Get News Online1. In a Harris poll of 2036 adults, 40% said that they prefer to get their news online. Construct a 95% con dence interval estimate of the percentage of all adults who say they prefer to get their news online. (10 points)2. Find the minimum sample size required to estimate the mean pulse rate of adult males with 99% con dence that the sample mean is within 2 bpm of the populat...
Overview and Learning Outcomes AssessedThis exercise aims to assess your ability to apply statistical tests covered in the course appropriately, to interpret the results of these tests and to present these results effectively. Requirements You have been tasked with writing a report for an organisation that wants to produce guidelines for growing conservation field margins to provide resources for seed-eating birds. As part of this project th...
Question : Variance Associates: Part A Variance Associates (VA) is a commercial aircraft leasing firm. It has two customers, FearUs and Oops, both of which are major overnight package delivery companies. Airlines and overnight package companies normally own only a portion of their total fleet of aircraft, and lease the balance on an as-needed basis. FearUs and Oops have long-term contracts with Variance, under which they have the option to re...
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Question 1: Marketing Analytics for a Car Rental CompanyQuestion 1Choose a car rental company (of your choice) that is active in the UK:A. Briefly describe the business.B. Identify and evaluate the role of 'marketing analytics' in the current activities of the focal business in delivering value to its customers. C. Critically discuss other opportunities (e.g., collaboration with other businesses) that can provide the focal business to deliv...
You are required to use the appropriate module concepts and techniques to complete the given task and analyse the data provided on Blackboard. Treforest Transport has a number of offices across Great Britain and Europe, selling a wide range of passenger cars. The management have consulted you to write an individual report summarising the company’s performance and recommending changes using evidence-based decision-making methods. Your ...
TaskThe objectives of this assignment are to test your understanding of the various data modelling (time series) techniques covered in the course, expose you to the kind of work you may encounter in your professional career and test your ability to write reports that have technical depth but can be understood by a non-technical audience (such as potential clients). You are working to undertake a research project for a multinational consultant...
ObjectivesThe organic products' market is proliferating in most parts of the world. However, institutional weaknesses in developing countries, such as India, have helped to impede the adoption of organic diets in the market. In Europe, the focus is more on what informs consumers' buying habits. 1. To determine the drivers of organic food buying preferences. 2. To assess factors that shape the structure and function of Organic food sales. 3....
Assignment #1Assignment #1: Prepare Descriptive Statistics Data Analysis PlanBefore conducting any statistical analyses, researchers develop a plan for how they will analyze their data to answer their research questions. The purpose of this assignment is to provide an experience developing a descriptive statistics analysis plan. Note: This first assignment is a planonly; no statistics will be calculated or graphs created. The second assignment...
Task: 1. The $3 food voucher was given to improve response rate. However, the survey may still be prone to non-response bias. Explain what is non-response bias and why such bias may be present here. (5 marks)2. State and explain whether the statements below refer to descriptive or inferential statistics.(a) Pharmacy chains in Singapore commented that the demand for health supplements is expected to increase by another 20% next year.(b) In a ...
TaskPipelines Engineering Company (PEC) have been operating as a pipeline installer for 40 years in the oil and gas industry. They price their tenders in accordance with the methodology of the gulf stream requirements and where require use the form of measurements provided in John S Page’s reference book ‘Estimator’s Piping Man-Hour Manual’. They have gathered their own indices and data from completed projects and the m...
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