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

Flashcard
•
Mathematics
•
8th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
A scatter plot is a graph that shows the relationship between two variables by displaying data points on a two-dimensional axis.
2.
FLASHCARD QUESTION
Front
What does a linear relationship in a scatter plot indicate?
Back
A linear relationship indicates that as one variable increases or decreases, the other variable does so in a consistent manner, forming a straight line when graphed.
3.
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, showing the trend of the data points.
4.
FLASHCARD QUESTION
Front
How do you determine the slope of a line of best fit?
Back
The slope is determined by the change in y divided by the change in x (rise over run) between two points on the line.
5.
FLASHCARD QUESTION
Front
What is the y-intercept of a line?
Back
The y-intercept is the point where the line crosses the y-axis, indicating the value of y when x is zero.
6.
FLASHCARD QUESTION
Front
What does a positive association in a scatter plot mean?
Back
A positive association means that as one variable increases, the other variable also tends to increase.
7.
FLASHCARD QUESTION
Front
What does a negative association in a scatter plot mean?
Back
A negative association means that as one variable increases, the other variable tends to decrease.
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