Interpret Linear Regression Practice M1
Flashcard
•
Mathematics
•
9th - 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 does the slope in a linear regression equation represent?
Back
The slope represents the rate of change of the dependent variable for each unit increase in the independent variable.
Tags
CCSS.HSF.LE.B.5
3.
FLASHCARD QUESTION
Front
What does the y-intercept in a linear regression equation indicate?
Back
The y-intercept indicates the predicted value of the dependent variable when the independent variable is zero.
Tags
CCSS.HSF.LE.B.5
4.
FLASHCARD QUESTION
Front
How do you interpret the correlation coefficient (r)?
Back
The correlation coefficient (r) measures the strength and direction of a linear relationship between two variables, ranging from -1 to 1.
Tags
CCSS.HSS.ID.C.8
5.
FLASHCARD QUESTION
Front
What does a correlation coefficient of 0.89 indicate?
Back
A correlation coefficient of 0.89 indicates a strong positive linear relationship between the two variables.
Tags
CCSS.HSS.ID.B.5
6.
FLASHCARD QUESTION
Front
How do you predict a value using a linear regression equation?
Back
To predict a value, substitute the independent variable's value into the linear regression equation and solve for the dependent variable.
Tags
CCSS.HSF.IF.A.2
7.
FLASHCARD QUESTION
Front
What is the formula for a linear regression equation?
Back
The formula for a linear regression equation is y = mx + b, where m is the slope and b is the y-intercept.
Tags
CCSS.8.EE.B.5
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