Line of best Fit
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a line of best fit?
Back
A 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.
2.
FLASHCARD QUESTION
Front
How do you determine the slope of a line of best fit?
Back
The slope of a line of best fit is determined by the change in the y-values divided by the change in the x-values (rise over run).
3.
FLASHCARD QUESTION
Front
What does a positive slope indicate in a line of best fit?
Back
A positive slope indicates that as the x-values increase, the y-values also increase, showing a positive correlation.
4.
FLASHCARD QUESTION
Front
What does a negative slope indicate in a line of best fit?
Back
A negative slope indicates that as the x-values increase, the y-values decrease, showing a negative correlation.
5.
FLASHCARD QUESTION
Front
What does a slope of zero indicate in a line of best fit?
Back
A slope of zero indicates that there is no change in the y-values as the x-values change, suggesting no correlation.
6.
FLASHCARD QUESTION
Front
What is the y-intercept in the equation of a line of best fit?
Back
The y-intercept is the point where the line crosses the y-axis, representing the value of y when x is zero.
7.
FLASHCARD QUESTION
Front
How can you tell if a line of best fit is accurate?
Back
A line of best fit is accurate if it closely follows the trend of the data points and minimizes the distance from the points to the line.
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