Linear Regression Review

Flashcard
•
Mathematics
•
9th - 12th 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 does the slope in a linear regression equation represent?
Back
The slope indicates 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 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.
Tags
CCSS.HSF.LE.B.5
4.
FLASHCARD QUESTION
Front
What does a strong negative correlation indicate?
Back
A strong negative correlation indicates that as one variable increases, the other variable tends to decrease.
Tags
CCSS.HSS.ID.B.5
5.
FLASHCARD QUESTION
Front
What does a strong positive correlation indicate?
Back
A strong positive correlation indicates that as one variable increases, the other variable also tends to increase.
Tags
CCSS.HSS.ID.B.5
6.
FLASHCARD QUESTION
Front
How do you interpret a correlation coefficient of -0.9?
Back
A correlation coefficient of -0.9 indicates a strong negative linear relationship between the two variables.
Tags
CCSS.HSS.ID.B.5
7.
FLASHCARD QUESTION
Front
How do you interpret a correlation coefficient of 0.8?
Back
A correlation coefficient of 0.8 indicates a strong positive linear relationship between the two variables.
Tags
CCSS.HSS.ID.B.5
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