Linear Regression
Flashcard
•
Mathematics
•
9th Grade
•
Hard
+8
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 linear regression?
Back
The equation of a line in linear regression is typically expressed as y = mx + b, where m is the slope and b is the y-intercept.
Tags
CCSS.8.EE.B.5
3.
FLASHCARD QUESTION
Front
What does the slope (m) represent in a linear regression equation?
Back
The slope (m) represents the rate of change of the dependent variable (y) for each unit change in the independent variable (x).
Tags
CCSS.8.EE.B.5
4.
FLASHCARD QUESTION
Front
What does the y-intercept (b) represent in a linear regression equation?
Back
The y-intercept (b) represents the value of the dependent variable (y) when the independent variable (x) is zero.
Tags
CCSS.HSF.LE.B.5
5.
FLASHCARD QUESTION
Front
How do you interpret the linear regression equation y = 1.5x + 12?
Back
In this equation, for every 1 unit increase in x, y increases by 1.5 units, and when x is 0, y is 12.
Tags
CCSS.HSF.LE.B.5
6.
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 the variables.
Tags
CCSS.8.EE.B.5
7.
FLASHCARD QUESTION
Front
What is a scatter plot?
Back
A scatter plot is a graphical representation of two variables, showing the relationship between them using points on a Cartesian plane.
Tags
CCSS.8.SP.A.1
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