Exam (elaborations)
HEALTH 501 Biostats Final Exam Review With complete solution
- Course
- Institution
HEALTH 501 Biostats Final Exam Review With complete solution
[Show more]
Seller
Follow
potterjesse
Content preview
HLTH 501 BIOSTATISTICS - FINAL REVIEW1. Which of the following types of graphics would be most useful in
demon- strating the frequency of a given outcome as it relates to an
ordinal vari- able?: histogram
2. 5 7 6 9 4 1 2 2
According to the data, which measure, is a better measure of dispersion?: -
Standard deviation
3. Misclassification bias often occurs in case-control studies.: True
4. The incidence rate of X disease in patients receiving the new medication
is calculated by:: patients who are receiving the new medication and
have X disease
/ Total follow-up (years) of the patients who are receiving the new
medication ( times
(x) 1000 to make a whole number if necessary) (a/b if set up in correct
way)
5.A design that is a very detailed report of the specific features of a
particular participant or case is known as?: case report
6. The Cumulative incidence is computed as the number of persons
who develop a disease during a specified period over the number of
persons examined at baseline: false
7.1,000 people are enrolled in a 10-year cohort study. At the start of the
study, 100 have diagnosed CVD. Over the course of the study, 80 people
who were free of CVD at baseline develop CVD. What is the cumulative
1/5
, incidence at 10 years?: 0.089 = 80/900: the number of new events or
cases of disease divided by the total number of individuals in the
population at risk for a specific time interval.
8. Biostatistics is integral to the field of epidemiology, which is defined
as study of health and illness in human populations, patterns of health or
disease, and the factors that influence these patterns.: True
9. The best numerical summaries for dichotomous, ordinal, and
categorical variables are relative frequencies.: true
10.Incidence of disease is the proportion of individuals with the condition
(disease) at a single point in time: false
11.The following data were collected as part of a study of coffee consump-
tion among graduate students. The following reflect cups per day
consumed: 3, 4, 6, 8 ,2, 1, 0, and 2. The standard deviation is approximately
4.: false: use excel to find stdev().
12. Assume a new measure of Intelligence Quotient (or IQ) has been
devel- oped. The mean IQ for the population is 100 and the standard
deviation is
2/5
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller potterjesse. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
77254 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now