What is a scatter plot?
Scatter Plot & Line of Best Fit Practice

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 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 in the data, showing the general direction that the data points follow.
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 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.
5.
FLASHCARD QUESTION
Front
What does a positive slope indicate in a line of best fit?
Back
A positive slope indicates that as one variable increases, the other variable also increases.
6.
FLASHCARD QUESTION
Front
What does a negative slope indicate in a line of best fit?
Back
A negative slope indicates that as one variable increases, the other variable decreases.
7.
FLASHCARD QUESTION
Front
How can you use a line of best fit to make predictions?
Back
You can use the line of best fit to predict the value of one variable based on the value of another by substituting the known value into the equation of the line.
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