Linear Regression

Flashcard
•
Mathematics
•
7th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is Linear Regression?
Back
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.
2.
FLASHCARD QUESTION
Front
What does a positive correlation indicate?
Back
As one variable increases, the other variable also increases.
3.
FLASHCARD QUESTION
Front
What does a negative correlation indicate?
Back
As one variable increases, the other variable decreases.
4.
FLASHCARD QUESTION
Front
What is the line of best fit?
Back
A straight line that best represents the data on a scatter plot, minimizing the distance between the line and all data points.
5.
FLASHCARD QUESTION
Front
What is the equation of a line in slope-intercept form?
Back
y = mx + b, where m is the slope and b is the y-intercept.
6.
FLASHCARD QUESTION
Front
How do you interpret the slope in a linear regression equation?
Back
The slope indicates the change in the dependent variable for each one-unit change in the independent variable.
7.
FLASHCARD QUESTION
Front
What is the y-intercept in a linear regression equation?
Back
The value of the dependent variable when the independent variable is zero.
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