Exam (elaborations)
PUBH 201 CSUF exam 2 questions with correct answers
- Course
- Institution
PUBH 201 CSUF exam 2 questions with correct answers
[Show more]
Content preview
PUBH 201 CSUF exam 2p-value - correct answer ✔✔shows the probability that the observed result could have happened by its
own
p<.05 means result is statistically significant
p=.05 there is a 5% chance results are wrong
confidence interval - correct answer ✔✔more narrow probability, less random error chances
probability - correct answer ✔✔used to explain the variety and frequency of past outcomes under
similar conditions as a way of predicting what should happen in the future
descriptive statistics - correct answer ✔✔used to describe a population with frequency, measures of
position, dispersion of variation, and measures of central tendancy
Inferential Statistics - correct answer ✔✔more than describing a population, but the relationship among
those variables. Describes data but does not infer relationships
EXAMPLE: more education leads to a healthier life, its just a relationship not a cause
standard deviation - correct answer ✔✔the smaller the bell, the closer the numbers are and the study is
more reliable
census - correct answer ✔✔mandatory by the constitution every 10 years. Serves as denominator for
most data (Age, sex, race, ethnicity)
measures of central tendancy - correct answer ✔✔MEAN: average #
MEDIAN: # in middle
MODE: # occurring the most
Dispersion of variation - correct answer ✔✔RANGE: Highest #- lowest #
, VARIANCE
STANDARD DEVIATION
Risk Assessment - correct answer ✔✔Identifies events and exposures that may be harmful and estimates
the probabilities of their occurrence and the extent of harm they may cause.
For well-known risks, we can calculate from historical data.
For poorly understood risks, we must make many assumptions.
Risk Perception - correct answer ✔✔psychological factors, the result of the apparent irrationality of the
public in response to risks that experts estimate to be small.
Is classified on two scales: dread and knowability.
Biostatistics - correct answer ✔✔the science used to interpret the numbers that describe the health of
the population.
Endemic - correct answer ✔✔constant presence of disease in a geographic area
EXAMPLE: cx pox in the US
Pandemic - correct answer ✔✔Sn epidemic that has spread to several countries
EXAMPLE: influenza
Epidemic - correct answer ✔✔a sudden increase on number of cases of disease above normal
expectancy
EXAMPLE: measeles
Epidemiology - correct answer ✔✔the study of the distribution and determinants of disease frequency
in human population
distribution of disease - correct answer ✔✔who/when/where
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 BravelRadon. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
79271 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now