1- What level of measurement is the variable “annual income in dollars”?a) intervalb) ordinalc) ratio2- Suppose you have a dataset with n=292 hospitalized patients (each row is a patient, each column is a variable). One variable is the presence or absence of a staph nosocomial infection (0=none; 1=staph infection). What is the level of measurement for the staph infection variable)? Choose the best answera) ordinalb) nominalc) interval3- In Yang et al, (2012), the researchers considered a number of potential confounders. Which of the following did they confirm acted as a confounder? Choose the best answer.a) temperature at arrival in PACUb) amount of blood loss during the operational periodc) genderPlease select your best choice for each answer. What is your reasonning for choosing the answer.
classessay.us Plagiarism Free Papers
Are you looking for custom essay writing service or even dissertation writing services? Just request for our write my paper service, and we\’ll match you with the best essay writer in your subject! With an exceptional team of professional academic experts in a wide range of subjects, we can guarantee you an unrivaled quality of custom-written papers.
Why Hire classessay.us writers to do your paper?
Quality- We are experienced and have access to ample research materials.
We write plagiarism Free Content
Confidential- We never share or sell your personal information to third parties.
Support-Chat with us today! We are always waiting to answer all your questions.