Complex Statistics Problems with Elaborate Answers : Page - 21

MeasurementIn a paragraph or two: describe the variables, they are important and/or interesting. Remember, you are collecting TWO continuous variables. You must have TWO columns of data (perhaps with row names). This section must be written BEFORE you collect the data. Our variables are the growth/height of various plants and the average temperature they grow in. The plants are from various genus’ and species as well grow in different...

Task: 1. To compare the effect of stress in the form of noise on the ability to perform a simple task, 70 subjects were divided into two groups. The first group of 30 subjects acted as a control, while the second group of 40 were the experimental group. Although each subject performed the task in the same control room, each of the experimental group subjects had to perform the task while loud rock music was played. The time to finish the task ...

Question 1: Linear Regression Model for Estimating Vaccine Effectiveness1) Suppose that Pfizer has hired you – a brilliant econometrician – to evaluate the effectiveness of their COVID-19 vaccine. The company has already completed their randomized control trial, where they randomly gave 1000 people the vaccine, and 1000 people a placebo. You have data that indicates who got the vaccine, who got the placebo, and the level of an an...

You must develop a data analysis, interpret and report platform based on the selected organization sources. The platform needs to developed using MicrosoftExcel. You need to write a report on how you developed it and the use of this data analysis platform. You should be able to use the platform to analyze a set of complex data from a selected organization to influence management decision-making processes. The report should be written ...

Course Code   :  CIDM6305

Course Title   :  quantitative analysis

Ref style  :  Open

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Input values for the model If we still use the product mix model with some revisions here. Now, there are six available models, not just two. Each computer must be assembled and then tested, but there are now three lines for testing. The inputs for the model are same here as before: (1) the hourly labor costs for assembling and testing, (2) the required labor hours for assembling and testing any computer model, (3) the cost of component pa...

The Dow Jones Industrial AverageThe monthly closing values of the Dow Jones Industrial Average (DJIA) for the period beginning in January 1950 are given in the Excel _le tab named Dow. According to Wikipedia, the Dow Jones Industrial Average, also referred to as the Industrial Average, the Dow Jones, the Dow 30, or simply the Dow, is one of several stock market indices created by Charles Dow. The average is named after Dow and one of his busines...

Utilize quantitative forecasting methods with time series dataUtilize quantitative forecasting methods with time series data Prompt: This week is dedicated to Time-Series Forecasting techniques. Start in the Lessons section of the classroom by completing the reading and viewing assignments. Don't even think about trying to complete this homework assignment without understanding the concepts involved in Forecasting Time-Series data. Once you ha...

Project descriptionProjectIn 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 Edinbur...

Question 1Question 1    For this question, you will need the file, “HBC203_TMA01_Q1.csv”. This file contains a subset of the Singapore data from the 2012 World Values Survey, after non-responses have been deleted. There are three variables in the file:Sex, where 1 = male, 2 = femaleAgeHappiness, where 1 = Very happy, 2 = Rather happy, 3 = Not very happy, 4 = Not at all happya. Impor...

TaskThis test is open-book, open-note, open-Excel, and open-internet but you are NOT allowed to consult with fellow students or any other people about either the problems or the answers. For each problem, show at minimum:1) The null and alternative hypotheses, written using proper notation 2) The test statistic calculation showing: the letter of the test statistic (t or z), the formula for the test statistic, the numbers filled into th...

1.) What is the critical value for a chi-square test with 7 degrees of freedom at the 5 percent level of significance (p-value = 0.05)? 2.)  If the chi-square statistic were 17.25, and the critical value was 18.307, what would you conclude regarding the null hypothesis? 3. What is the critical value for a chi-square test with 15 degrees of freedom at the 1 percent level of significance (p-value = 0.01)? 4.)  If the chi-square statist...

Question: This is a further analysis of the gender pay gap in the Australian population. According to a recent report by KPMG Consulting, gender discrimination continues to be the single largest factor contributing to the gender pay gap (KPMG, 2019). In order to estimate the extent of discrimination in the job market where women with identical labour market characteristics as their male counterparts receive different wages, you will estimate a...

Question 1: Forecasting Gold PricesQuestion 1 The daily prices of Gold over time.a) Examine the plot and describe the issues that may arise when trying to forecast future Gold prices given this time series data. Offer solutions to these issues.b) Offer a suitable forecasting method for this data. Question 2For each of the below ACF plots which are obtained for a time series data of 4 different variables of interest:a) Explain the ACF p...

Section A: Overview of Public Health Issues in the Chosen CountryQuestion: 1.Demonstrate the following knowledge and understanding Awareness of the differences in patterns of health and disease around the world and how these have been influenced by historical and geographical factors. 2.Demonstrate the following skills and abilities Describe how the health of the global population is promoted and protected by analysing how global, regional and l...

Part1) Central Limit Theorem Initialize the city of Boston earnings dataset as shown below: boston <- read.csv( "http://people.bu.edu/kalathur/datasets/bostonCityEarnings.csv", colClasses = c("character", "character", "character", "integer", "character")) The data in the file contains the total earnings of the employees of city of Boston. Show the histogram of the employee earnings. Use breaks from 40000 to 400000 in steps of 20000 ...