Exam (elaborations)
Epidemiology Exam 1
- Course
- Institution
Epidemiology Exam 1 Epidemiology Exam 1 Epidemiology Exam 1
[Show more]
Content preview
Epidemiology Exam 11. What are the three measures of central tendency?
(If applicable select all that apply)
a) median
b) mode
c) mean
d) range
e) all of the above
f) none of the above - ANS a,b,c
2. What is mean
(If applicable select all that apply)
a) sum of values divided by number of observations
b) the point where the number of observations above equals the number below
c) most frequently occuring value
d) from lowest to highest value (includes all values)
e) all of the above
f) none of the above - ANS a
3. What is easily influenced by extreme values?
(If applicable select all that apply)
a) median
b) mode
c) mean
d) range
e) all of the above
f) none of the above - ANS b
4. What is median?
(If applicable select all that apply)
,a) sum of values divided by number of observations
b) the point where the number of observations above equals the number below
c) most frequently occuring value
d) from lowest to highest value (includes all values)
e) all of the above
f) none of the above - ANS b
5. What is not easily influenced by extreme values?
(If applicable select all that apply)
a) median
b) mode
c) mean
d) range
e) all of the above
f) none of the above - ANS a
6. What is mode?
(If applicable select all that apply)
a) sum of values divided by number of observations
b) the point where the number of observations above equals the number below
c) most frequently occuring value and is the only way of describing "center" of data with no
numerical meaning
d) from lowest to highest value (includes all values)
e) all of the above
f) none of the above - ANS c
7. What are the three measures of dispersion?
(If applicable select all that apply)
a) range
b) standard deviation
c) inter-quartile range
,d) median
e) all of the above
f) none of the above - ANS a,b,c
8. What is a range?
(If applicable select all that apply)
a) from lowest to highest value (includes all values)
b) greatly influences by extreme values
c) the average difference of individual values from the mean
d) normal or near-normal distributions
e) all of the above
f) none of the above - ANS a,b
9. What is standard deviation?
(If applicable select all that apply)
a) from lowest to highest value (includes all values)
b) greatly influences by extreme values
c) the average difference of individual values from the mean
d) normal or near-normal distributions
e) all of the above
f) none of the above - ANS c
10. What is the appropriate use for standard deviation?
(If applicable select all that apply)
a) from lowest to highest value (includes all values)
b) greatly influences by extreme values
c) the average difference of individual values from the mean
d) normal or near-normal distributions
e) all of the above
f) none of the above - ANS d
, 11. What is an inter-quartile range?
(If applicable select all that apply)
a) ranking data from lowest to highest and dividing them into quartiles
b) greatly influences by extreme values
c) the average difference of individual values from the mean
d) normal or near-normal distributions
e) all of the above
f) none of the above - ANS a
12. What is the first quartile of the inter-quartile range?
(If applicable select all that apply)
a) mid-point below the median
b) mid-point above the median
c) for skewed distributions
d) right at the median
e) all of the above
f) none of the above - ANS a
13. What is the third quartile of the inter-quartile range?
(If applicable select all that apply)
a) mid-point below the median
b) mid-point above the median
c) for skewed distributions
d) right at the median
e) all of the above
f) none of the above - ANS b
14. When is the inter-quartile range appropriate?
(If applicable select all that apply)
a) mid-point below the median
b) mid-point above the median
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 lectjoseph. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $14.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
76799 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now