2.3 Residuals
Studied by 2 people
Call Kai
Learn
Practice Test
Spaced Repetition
Match
Flashcards
Knowt Play1/5
There's no tags or description
Looks like no tags are added yet.
Name | Mastery | Learn | Test | Matching | Spaced | Call with Kai |
|---|
No analytics yet
Send a link to your students to track their progress
6 Terms
standard error
the standard deviation of the residuals - when assumptions and conditions are met, the spread residuals can be described using this and the 68, 95, 99.7 rule
se
the standard error of a regression
R2
shows the fraction of the variability of the response variable that is accounted for by the least squares linear regression model - also commonly named the ‘coefficient of variability’, and is the square of the correlation between x and y variables
residuals
the difference between observed data values and the corresponding values predicted by the mathematical mdoel
se = √ (Σ e2) / (n-2)
the formula for the standard error of a regression
e
the variable that represents any individual residual; observed value - predicted value
Note 
Flashcards (22)