Reference no: EM131954888
Biostats Lab Assignment
Answer the following short answer questions. Please cite all the sources of your information using APA format.
1. In statistical terms, what is the difference between a case and a variable?
2. Distinguish between continuous and categorical variables?
3. When patients arrive at a healthcare facility for care, continuous data as well as categorical data are collected from each patient.
a) What are four examples of data that are collected from patients?
b) Indicate whether or not the information collected is continuous or categorical.
|
a) Examples of data collected from patients
|
b) Indicate whether these data are continuous or categorical data
|
|
1.
|
|
|
2.
|
|
|
3.
|
|
|
4.
|
|
c) Briefly explain why in addition to listening to the patient's complaint of why they are attending the clinic or hospital, why gathering different types of data on the patient is important to the overall patient outcomes. Give an example to explain your answer.
4. What is the researcher looking for when he or she conducts a Pearson correlation? What does a correlation of 1 mean? What does a correlation of 0 mean? And what are positive and negative correlations?
5. In research and statistics we often hear about one factor being associated or correlated with another factor or health outcome (e.g. overweight and obesity is associated with Type 2 diabetes). We also hear about independent and dependent variables.
a) What is the relationship between the dependent and the independent variable(s)?
b) What is (are) the difference(s) between a simple linear regression and a multiple regression?
6. It is reported that access to fluoridated water and fluoride toothpaste is correlated with decreased number of dental caries in children. In addition to just having access to these two commodities, what are three other variables or factors that you think might be associated with the decrease in dental caries? Find and cite at least one research study that addresses this issue. This question is a short answer essay please write at least 250 words.
Attachment:- Report-Spring.rar
|
Compute total dollar interest payments for the six months
: Compute total dollar interest payments for the six months. (Round your monthly interest rate to 2 decimal places when expressed as a percent).
|
|
Explain what role gender played in the conversation
: Have you ever had a conversation where you were left thinking that gender differences may have created a misunderstanding?
|
|
What is the purpose of the declaration of helsinki
: What is the purpose of the Declaration of Helsinki? Discuss considerations when balancing risks, burdens, and benefits of medical research.
|
|
What is one share of carbon fiber stock worth today
: Carbon Fiber, Inc. is expected to pay annual dividends of $4.00, $0, $5.00, and $1.00 a share over the next four years, respectively.
|
|
What is the researcher looking for when he or she conducts
: What is the researcher looking for when he or she conducts a Pearson correlation? What does a correlation of 1 mean? What does a correlation of 0 mean?
|
|
At what price should the preferred stock sell
: Carby Hardware has an outstanding issue of perpetual preferred stock with an annual dividend of $3.73 per share. If the required return on this preferred stock.
|
|
Examine a well known stereotype about a group you belong to
: Examine a well known stereotype about a group you belonged to, such as your religion, ethnic group, profession, home town, sex, age, hair color, and so on.
|
|
What are some risks and liabilities
: What are some risks and liabilities that could be associated with the agency contract between PI and Teri Lang
|
|
Growth rate could be supported with no outside financing
: What is the sustainable growth rate for the company? What growth rate could be supported with no outside financing at all?
|