Exam (elaborations)
Stat 200 Psu Final Exam Questions And Answers Latest Update
- Course
- STAT 200
- Institution
- Pennsylvania State University - All Campuses
Stat 200 Psu Final Exam Questions And Answers Latest Update
[Show more]
Content preview
Solution 2024/2025Pepper
Stat 200 Psu Final Exam Questions And
Answers Latest Update
observational study ANS✔✔ participants are simply observed and measured
in this type of study, can NOT draw cause and effect conclusions from this
randomized experiment ANS✔✔ a study where treatments are randomly
assigned to participants, it IS possible to draw cause and effect conclusions
from this
5 number summary ANS✔✔ min, Q1, median, Q3, max
skewed ANS✔✔ values are more spread out on one side of the center than
the other
right skewed ANS✔✔ numbers on the left of the number line are more than
the numbers on the right side
left skewed ANS✔✔ numbers on the right side are are more than the
numbers on the left side
x bar ANS✔✔ mean of a sample
variability ANS✔✔ a measure of how much data values differ from one
another, or how widely the data values are spread out around the center
, Solution 2024/2025
Pepper
standard deviation ANS✔✔ a numerical value that represents variability,
approximately the average distance that values will fall from the mean
- calculator for this
.05 ANS✔✔ a result is statistically significant when the p-value is less than
or equal to...
risk ANS✔✔ term used to describe the probability of an undesirable outcome
occurring, typically expressed as a percentage
ex: the risk of CHD is
total CHD/total of all
ex: risk of CHD with low anger
total low CHD/total low
relative risk ANS✔✔ the ratio of the risks in two different categories of an
explanatory variable
ex: relative risk of CHD for high anger compared to low anger
(high CHD/high total)/ (low CHD/low total)
odds ANS✔✔ compare the chance of an event happening to the chance of it
not happening from a group
ex: odds of CHD for those with high anger
high CHD to high no CHD
bias ANS✔✔ occurs when the method used to get value for the dataset
consistently produces values that are too high or too low.
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 Schoolflix. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $15.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
53920 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now