What is the line of best fit?
Line of best Fit

Flashcard
•
Mathematics
•
8th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
The line of best fit is a straight line that best represents the data on a scatter plot. It shows the trend of the data points and can be used to make predictions.
2.
FLASHCARD QUESTION
Front
What does a positive association in a scatter plot indicate?
Back
A positive association indicates that as one variable increases, the other variable also increases.
3.
FLASHCARD QUESTION
Front
What does a negative association in a scatter plot indicate?
Back
A negative association indicates that as one variable increases, the other variable decreases.
4.
FLASHCARD QUESTION
Front
What does it mean if there is no association in a scatter plot?
Back
No association means that there is no discernible relationship between the two variables; changes in one variable do not affect the other.
5.
FLASHCARD QUESTION
Front
How do you determine the equation of the line of best fit?
Back
The equation of the line of best fit can be determined using statistical methods such as linear regression, which calculates the slope and y-intercept based on the data points.
6.
FLASHCARD QUESTION
Front
What is the slope in the equation of a line?
Back
The slope indicates the steepness of the line and the direction of the relationship between the variables. A positive slope means a positive association, while a negative slope indicates a negative association.
7.
FLASHCARD QUESTION
Front
What is the y-intercept in the equation of a line?
Back
The y-intercept is the value of y when x is zero. It represents the starting point of the line on the y-axis.
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