Exam (elaborations)
BST 322 Week 4 Questions and Answers
- Module
- USMLE Step 1 Pharm
- Institution
- USMLE Step 1 Pharm
BST 322 Week 4 Questions and Answers
[Show more]
Seller
Follow
Content preview
BST 322 Week 4 Questions and Answerscoefficient of determination - ANS-r2
linear regression - ANS-an algorithm to find a precise line of fit for a set of data
regression equation - ANS-Y'= a +bX is the formula for best fiting straight line to
charecterize the linear relationship between X and Y.
Intercept concept - ANS
Slope - ANS-The steepness of a line on a graph
Residulas - ANS-The differences between Y and Y'
Least squares - ANS-Standard regression procedures
standard error of estimate - ANS-(SE estimate) is an index that indictaes how wrong, on
average, a predicted value of Y is expected to be.
Multiple regression - ANS-An extension of simple linear regression, allows researchers
to improve their predictions by using 2 or more variables to predict a dependent
variable.
Multiple correlation coefficient - ANS-(R) summerizes the magnitude of the relationship
between a dependent variable and several independent variables, considered
simultaneously.
Adjusted R2 - ANS-The result when R2 is adjusted to yeild a better estimation of the
population value, and sample size is taken into account in the adjustment.
stimultaneous regression model - ANS-Pg 233
Hierarchical regression model - ANS-Pg 233 Independent variables are entered into the
model any series of steps with the order of entry control by the researcher.
Step-wise regression model - ANS-Is controversial because their walls are entered into
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 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 modocko752. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £6.44. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
52355 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy revision notes and other study material for 14 years now