Linear Regression and Residuals - Using Desmos

Flashcard
•
Mathematics
•
9th Grade
•
Hard
+3
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 a residual in the context of linear regression?
Back
A residual is the difference between the observed value and the predicted value of the dependent variable in a regression model.
3.
FLASHCARD QUESTION
Front
How do you calculate a residual?
Back
Residual = Observed value - Predicted value.
4.
FLASHCARD QUESTION
Front
What does a positive residual indicate?
Back
A positive residual indicates that the observed value is higher than the predicted value.
Tags
CCSS.HSS.ID.B.6B
5.
FLASHCARD QUESTION
Front
What does a negative residual indicate?
Back
A negative residual indicates that the observed value is lower than the predicted value.
6.
FLASHCARD QUESTION
Front
What is the purpose of using Desmos for linear regression?
Back
Desmos is a graphing calculator that allows users to visualize data, create regression models, and analyze the relationships between variables.
7.
FLASHCARD QUESTION
Front
What is the equation of a linear regression line?
Back
The equation of a linear regression line is typically expressed in the form y = mx + b, where m is the slope and b is the y-intercept.
Tags
CCSS.8.F.B.4
CCSS.HSF.LE.A.2
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