What is a scatter plot?
Unit 3 8.FGR.6 Review

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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 line of best fit?
Back
The line of best fit can be determined using statistical methods such as least squares regression, which minimizes the distance between the data points and the line.
4.
FLASHCARD QUESTION
Front
What is a positive linear association?
Back
A positive linear association occurs when an increase in one variable corresponds to an increase in another variable, resulting in a straight line that slopes upwards.
5.
FLASHCARD QUESTION
Front
What is a negative association?
Back
A negative association occurs when an increase in one variable corresponds to a decrease in another variable, resulting in a straight line that slopes downwards.
6.
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, and the data points are scattered randomly.
7.
FLASHCARD QUESTION
Front
What is a nonlinear association?
Back
A nonlinear association occurs when the relationship between two variables cannot be accurately represented by a straight line, often resulting in a curve.
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