Linear Regression and Transformations
Flashcard
•
Mathematics
•
12th Grade
•
Practice Problem
•
Hard
+5
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is Linear Regression?
Back
Linear regression is a statistical method used to model the relationship between a dependent variable and one or more independent variables by fitting a linear equation to observed data.
Tags
CCSS.8.SP.A.2
2.
FLASHCARD QUESTION
Front
What is the equation of a line in slope-intercept form?
Back
The equation of a line in slope-intercept form is given by: y = mx + b, where m is the slope and b is the y-intercept.
Tags
CCSS.8.EE.B.6
CCSS.8.F.A.3
3.
FLASHCARD QUESTION
Front
What does the slope in a linear regression equation represent?
Back
The slope represents the change in the dependent variable for a one-unit change in the independent variable.
4.
FLASHCARD QUESTION
Front
What is the purpose of the line of best fit?
Back
The line of best fit minimizes the distance between the observed data points and the line itself, providing the best approximation of the relationship between variables.
Tags
CCSS.8.EE.B.5
5.
FLASHCARD QUESTION
Front
What is a power transformation?
Back
A power transformation is a technique used to stabilize variance and make the data more closely conform to a normal distribution by applying a power function to the data.
Tags
CCSS.HSS.ID.A.4
6.
FLASHCARD QUESTION
Front
What is a quadratic transformation?
Back
A quadratic transformation involves squaring the values of the variable to model non-linear relationships.
7.
FLASHCARD QUESTION
Front
What does it mean if there is no association between two variables?
Back
No association means that changes in one variable do not predict changes in another variable; there is no discernible relationship.
Tags
CCSS.HSF-LE.A.1B
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