What is a scatter plot?
Scatter Plots and Line of Best Fit

Flashcard
•
Mathematics
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A scatter plot is a graph that shows the relationship between two quantitative variables by displaying data points on a two-dimensional grid.
2.
FLASHCARD QUESTION
Front
What does the line of best fit represent in a scatter plot?
Back
The line of best fit represents the trend of the data points in a scatter plot, indicating the general direction of the relationship between the variables.
3.
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 calculated by taking the change in the y-values divided by the change in the x-values between two points on the line.
4.
FLASHCARD QUESTION
Front
What is the equation of a line in slope-intercept form?
Back
5.
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 tends to increase.
6.
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 tends to decrease.
7.
FLASHCARD QUESTION
Front
What does no association mean in a scatter plot?
Back
No association means that there is no discernible relationship between the two variables; changes in one do not predict changes in the other.
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