Regression Equations

Flashcard
•
Mathematics
•
11th - 12th Grade
•
Hard
+5
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a regression equation?
Back
A regression equation is a mathematical formula that describes the relationship between a dependent variable and one or more independent variables, often used to predict outcomes.
Tags
CCSS.8.SP.A.2
2.
FLASHCARD QUESTION
Front
What does the slope in a linear regression equation represent?
Back
The slope indicates the rate of change of the dependent variable for each unit change in the independent variable.
3.
FLASHCARD QUESTION
Front
What is the y-intercept in a linear regression equation?
Back
The y-intercept is the value of the dependent variable when the independent variable is zero, representing the starting point of the line on the y-axis.
Tags
CCSS.HSF.LE.B.5
4.
FLASHCARD QUESTION
Front
How do you interpret the equation y = mx + b?
Back
In this equation, 'm' represents the slope, 'b' represents the y-intercept, 'x' is the independent variable, and 'y' is the dependent variable.
Tags
CCSS.8.EE.B.6
CCSS.8.F.A.3
5.
FLASHCARD QUESTION
Front
What is the purpose of finding the line of best fit?
Back
The line of best fit minimizes the distance between the data points and the line, providing the best approximation of the relationship between variables.
Tags
CCSS.8.EE.B.5
6.
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 using a linear equation.
7.
FLASHCARD QUESTION
Front
What does it mean if the correlation coefficient is close to 1?
Back
A correlation coefficient close to 1 indicates a strong positive linear relationship between the variables.
Tags
CCSS.HSS.ID.B.5
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