Linear Regression
Flashcard
•
Mathematics
•
8th - 11th Grade
•
Practice Problem
•
Hard
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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.
2.
FLASHCARD QUESTION
Front
What does the equation of a line in linear regression look like?
Back
3.
FLASHCARD QUESTION
Front
What is the slope in a linear regression equation?
Back
The slope (m) indicates the change in the dependent variable (y) for a one-unit change in the independent variable (x).
4.
FLASHCARD QUESTION
Front
What is the y-intercept in a linear regression equation?
Back
The y-intercept (b) is the value of the dependent variable (y) when the independent variable (x) is zero.
5.
FLASHCARD QUESTION
Front
How do you interpret a positive slope in a linear regression?
Back
A positive slope indicates that as the independent variable increases, the dependent variable also increases.
6.
FLASHCARD QUESTION
Front
How do you interpret a negative slope in a linear regression?
Back
A negative slope indicates that as the independent variable increases, the dependent variable decreases.
7.
FLASHCARD QUESTION
Front
What does it mean if a linear regression model has a slope of zero?
Back
A slope of zero indicates that there is no relationship between the independent and dependent variables; changes in x do not affect y.
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