Complex Statistics Problems with Elaborate Answers : Page - 20

Project IntroductionProjectIn this project we analyse average wind speeds at the top of Arthur’s Seat in Edinburgh. We will model the wind speed by using a Rayleigh statistical model, which we will fit to the data by maximum likelihood estimation and subsequently use to make predictions about future wind speeds. Project descriptionYou have been asked to analyse the distribution of the wind speed at the top of Arthur’s Seat in Edinb...

Question: Case Study: Statistical Inference Overview The research department of an appliance manufacturing firm has developed a solid-state switch for its blender that the research department claims will reduce appliance returns under the one-year full warranty by 3%–6%. To determine if the claim can be supported, the testing department selects a group of the blenders manufactured with the new switch and a group with the old switch and...

Do I risk losing marks for mistakes in my initial submission?I do not know how to write a certain component of my paper. Am I at risk of losing marks if I do it wrong? No. If we perceive that your best effort was put into the original manuscript, the initial grade will be 6/10. We expect mistakes on the initial submission. The assignment is not designed to be punitive, but to provide an opportunity for students to improve their writing quality...

Questions: Ql. Interpreting coefficients for categorical variables Suppose one is studying growth rates among young land snails; to do so, they gather rt recently-hatched snailg from two different species (A and B), determine their age (days), and measure the diameter of their shell aperture (mm) They consider the following model for the data: diameter, = $ + thage, + /32 1{species, = + /33 (age, x 1.{ species, = + The growth rate is defined a...

Learning ObjectiveLearning Objective:  Practice writing correctly about multiple regressions. The Assignment:  Run two regressions and interpret the findings.  Both regressions should have the same dependent variable.  The first regression should include your key independent variable and no controls.  The second regression should include the key independent variable included in the first regression, plus at least three c...

Multivariate OLS Regression ModelMultivariate OLS and Logistic Regression Answer the following: You are interested in explaining the violent crime rate of states in 2015, and you wish to build a model that includes several variables at once.   Estimate a multivariate OLS regression model in which Violent_Crime is the dependent variable and the following variables are independent:  state income per capita in thous...

Task: Stock prices (Aviva plc, Barclays PLC, Coca-Cola HBC AG and HSBC Holdings plc). For the empirical analysis, we consider daily stock prices between 1 January 2015 and 31 December 2015. Data in SPSS format will be provided on Moodle.Task 1:a. Identify all the extreme stock price values in the data based on 95th percentile for all the stock indices.b. Find the descriptive statistics for the stock prices of Aviva plc, Barclays PLC, Coca-Cola H...

Question 1Question 1An education psychologist believed that part-time students are more motivated than full-time students in their study. As such, he devised an instrument to assess a person's motivation level. The result of the test ranged from 0 to 800 points. The higher the point means the person is more motivated. This instrument was used on 46 full-time and 51 part-time students. The dataset can be found in the TOA Data File ‘Question...

Comparing Four Roulette GamesThe project can be completed using Excel At the Stratosphere Casino in Las Vegas, roulette wheels have 18 slots coloured red, 18 slots coloured black, and 1 slot (numbered 0) coloured green. The red and black slots are also numbered from 1 to 36. You can play various `games' or `systems' in roulette. Four possible games are: g1) Betting on Red. This games involves just one bet. You bet 1$ on red. If the ball lan...

Question:: General instructions: for each of the following problems and questions, write your answers clearly in a text file.For answers requiring justification, be concise: except where a maximum number of words or lines is indicated, no individual answer can be more than one full sentence. Problem 1  Resource producing countries are often thought to face a specific set of political constraints that influence the social, econo...

Review the attached file. Suzie has an issue. She can either move to NY or FL and needs to review some data that her agent gave her. The agent reviewed house prices and crime ratings for houses that Suzie would be interested in based on her selection criteria. She wants to live in an area with lower crime but wants to know a few things: Is it more expensive or less expensive to live in FL or NY? Is the crime rate higher in FL or NY (Note a low sc...

Dividing the Data into Training and Test DatasetsThe dataset (CreditData.csv) classifies customers as “approved” or “not approved” (Yes or No) (i.e., target class).  ? The target class is in the 21st column and its name is “Approved”. ? Number of Attributes for Classification: 20 (7 numerical, 13 categorical). ? The task should be developed using R (and in RStudio).  Tasks: 1- Divide...

Task: Abstract    Maximum 300 works, should summarise the whole document with why the work needs to be done, how it can be done, what was the result, what the results mean. Avoid use citations in abstractIntroduction   Introduction should be around 800-1000 words, not including table and figuresFirst part: Background of the test topic (not the test methods!), such as history, importance, and scientific backgrounds. Second part...

Instructions and Notes Left by the Previous Accounting InternSubmit through e Class (submission instructions can be found at the end of this document) You recently joined Grand and Toy as an accounting intern. The accounting manager, Sophie Lamda, met with you and handed over your first assignment. Sophie: Good morning intern, welcome to Grand and Toy. Annually we review sales return to estimate the percentage we are going to apply to our sa...

One-sample t-test on Velocity Observation DataAn exercise science student measures the velocity of tosses thrown by 10 cricket bowlers. The observations are below. 142.3 � �138.6 � �140.3 � ï¿Â&frac...