Operationalizing outcome as a continuous and nominal variableThe US issued a ban on sale of flavored e-cigarettes in February 2020 to decrease the number of people who were vaping. Dr. X is interested in examining whether this ban lead to decreases in adolescent vaping. In March 2020 Dr. X surveyed 2750 adolescents in England, 2380 adolescents from the US and 2775 from France. He found the following: Number vaping England&n...
Question 1: Medical Residents' Work Hours1. In a 2003 study, the Accreditation Council for Graduate Medical Education found that medical residents’ mean number of hours worked in a week is μ = 81 hours. Suppose the number of hours per week by medical residents is approximately normally distributed with a standard deviation of σ = 6.9 hours. What is the probability that a randomly selected medical resident works less than 70 hou...
Part 1: Correlation and Linear RegressionThere is a population of workers in this country who are employed but who do not earn enough in wages to securely cover the cost of their family’s basic needs. Although the numbers vary by state or district, these individuals and their families are similar in that they cross racial, cultural, and local boundaries. They are considered the nation’s “Working Poor.” This common grade...
Problem 1: Corona Virus Outbreak1.) The American Hospital Administrators Association (AHAA) reports the following information concerning the number of times senior citizens are admitted to a hospital during the Corona Virus outbreak. Forty percent are not admitted; 30 percent were admitted the first week; 20 percent the second week, and the remaining 10 percent were admitted the third week. A survey of 200 residents of a local Senior Center, ...
Case Study ScenarioAnswer each of the questions below as you would in a typical exercise. But please write out your answers using sentences as you would in a report. At the end of each question, I give some guidance about how long I think that each answer should be. Please aim for clear and concise answers that address all parts of the questions. In your submission, I recommend removing the question text and just including the question ...
Question 1: Observation vs Experiment1. An admissions advisor for a local college decides he would like to determine the average age of students at the college for some promotional materials. To do this he pulls the records of 200 random students at the college. What type of study is this (observation or experiment), what is the variable of interest? 2.Fifty registered nurses are asked how many hours they work each we...
Question: · All numerical calculations and graphs/plots should be done using EXCEL. In your worksheet there should be formula’s and/or calculations and not just the value results. If there are no calculations showing how you obtained the result, 0 marks will be given even if the result is correct. · Please DO NOT use the formulas embedded in excel (unless explicitly specified otherwise!) but the ones we discussed on the sl...
Respondent Gender and Age Distribution Based on the anxiety dataset, complete the following. 1.How many respondents participated in the study (N)? ___________________ 2.What percentage of the respondents were male? ________________ 3.What percentage of the respondents were female? ________________ 4.How many respondents were in the control group? ______________ 5.How many respondents were in the treatment group? ______________ 6.What is...
Task 1: Design and Build Data WarehouseDesign, build and professionally document a small data warehouse suitable for use with Big Data Professional document describing the Star or Snowflake schema for the retail store. Report justifying the tools used to work in the assignment. Successfully extract the retail store data and perform data analysis. Perform data analysis and reporting on complex data within a Big Data warehouse Demonstrate a ...
Part 1 Internal Database Survey: AMAZE455 OwnersPart 1 Internal Database Survey: AMAZE455 Owners 1/ Sample Frame and Selection: Describe the target market you decided to work with from your database. Did you use any quotas (e.g. demographic / car model / length of ownership)? How did the CRM team suggest you select the sample? Was there any particular design? 2/ Identify at least two (2) reasons you wanted to survey AMAZE455 o...
Question 1: Interpretation of relative riskTask: 1. The relative risk of developing lung cancer among individuals who smoke is 15.0. Which of the following is the most accurate interpretation of this information?A) Individuals who have lung cancer are 15.0% more likely to smoke than individuals who do not have lung cancer.B) Individuals who have lung cancer are 15.0 times more likely to smoke than individuals who do not have lung cancer.C) Indi...
Concepts of Correlation and CausationTask: Discussion question incomplete. Missing the scatterplot Graph and the correlation coefficient, Total Variation, Standard issue, ect.. (I must have two quantitative variables to perform a correlation calculation. Your variables of having diabetes and heat disease are not quantitative. A quantitative variable must be an objective, numerical measurement. You might look at the exercises at the end of secti...
Question: Penalties for Late Submissions • Late submission of any item of coursework for each day or part thereof (or for hard copy submission only, working day or part thereof) for up to five days after the published deadline, coursework relating to modules at Levels 0, 4, 5, 6 submitted late (including deferred coursework, but with the exception of referred coursework), will have the numeric grade reduced by 10 grade points until or un...
Investigation of Sample Representativenessa) Any empirical study starts by reporting summary statistics of all covariates used inthe study in a table of descriptive statistics. This is what you did in assignment1. We will now very simply investigate the impact of non-response on the sam?ple representativeness. Build a new table which reports the sample mean of dbwt,mager, boy, married, black, white, primary, secondary, tertiary and prenat for mo...
Purpose of the AssignmentTo assess skills in data management and statistical analysis using t test. Your CSP Chair, Dr. Abby Normal, has reviewed your work and the memo you submitted outlining the descriptive characteristics of the data set. You have completed your intervention and are ready to begin analyzing data. For this assignment you will evaluate four research questions using two different types of t-tests and we will focus on the ...