Exam (elaborations)
AP STATS 2022 EXAM DEFINITIONS/CONCEPTS( WITH EXPLANATIONS)
- Course
- Institution
AP STATS 2022 EXAM DEFINITIONS/CONCEPTS( WITH EXPLANATIONS)
[Show more]
Seller
Follow
Succeed
Reviews received
Content preview
AP STATS 2022 EXAMDEFINITIONS/CONCEPTS
z-score –
how many standard deviations away from the mean
normal model –
unimodal and symmetric
empirical rules 1SD = x%, 2SD = x%, 3SD = x% - 68%, 95%, 99.5%
form –
layout/underlying pattern
relationship –
strong means follows pattern, weak means scattered
veriable of interest and explanatory/predictor variable –
var of int = y var/response var, explan var = x var
correlation coefficient –
a measure of the strength of relationship between two variables
lurking variable –
a variable that is not among the explanatory or response variables in a study but
that may influence the response variable
parameters –
statistics from a whole population
statistics –
mead/med/mode for a sample
line of best fit –
the line for which the sum of the squared residuals is smallest
good regressions model means –
when plot residuals (x vs y or predicted y vs y) there is no shape
equal variance assumption –
a good model will have the spread of the residuals consistent throuhgout and no
shape
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 Succeed. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75632 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now