Scatter plots- Lines of Best Fit
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Easy
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a scatter plot?
Back
A scatter plot is a graph that shows the relationship between two quantitative variables by displaying data points on a two-dimensional axis.
2.
FLASHCARD QUESTION
Front
What does a line of best fit represent in a scatter plot?
Back
A line of best fit is a straight line that best represents the data points in a scatter plot, indicating the overall trend of the data.
3.
FLASHCARD QUESTION
Front
What does it mean if a scatter plot shows no relationship?
Back
It means that there is no discernible pattern or correlation between the two variables being plotted.
4.
FLASHCARD QUESTION
Front
What is a positive relationship in a scatter plot?
Back
A positive relationship occurs when, as one variable increases, the other variable also increases, resulting in an upward trend.
5.
FLASHCARD QUESTION
Front
What is a negative relationship in a scatter plot?
Back
A negative relationship occurs when, as one variable increases, the other variable decreases, resulting in a downward trend.
6.
FLASHCARD QUESTION
Front
What is the purpose of a trend line?
Back
A trend line is used to summarize the relationship between the data points in a scatter plot and to make predictions based on that relationship.
7.
FLASHCARD QUESTION
Front
Can a line of best fit go through the origin?
Back
No, a line of best fit does not have to go through the origin; it can be positioned anywhere on the graph depending on the data.
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