Scatterplots and Trend Lines
Flashcard
•
Mathematics
•
8th Grade
•
Hard
+3
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a scatterplot?
Back
A scatterplot is a graph that shows the relationship between two quantitative variables by displaying data points on a two-dimensional axis.
Tags
CCSS.8.SP.A.1
2.
FLASHCARD QUESTION
Front
What does a positive association in a scatterplot indicate?
Back
A positive association indicates that as one variable increases, the other variable also tends to increase.
Tags
CCSS.HSS.ID.B.5
3.
FLASHCARD QUESTION
Front
What does a negative association in a scatterplot indicate?
Back
A negative association indicates that as one variable increases, the other variable tends to decrease.
Tags
CCSS.HSS.ID.B.5
4.
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 scatterplot, showing the overall trend of the data.
Tags
CCSS.8.EE.B.5
5.
FLASHCARD QUESTION
Front
What does it mean if there is no association in a scatterplot?
Back
No association means that there is no discernible relationship between the two variables being plotted.
Tags
CCSS.HSS.ID.B.5
6.
FLASHCARD QUESTION
Front
What is a nonlinear relationship?
Back
A nonlinear relationship is when the data points do not form a straight line, indicating that the relationship between the variables is more complex.
Tags
CCSS.8.F.A.3
7.
FLASHCARD QUESTION
Front
How can you determine the strength of an association in a scatterplot?
Back
The strength of an association can be determined by how closely the data points cluster around the line of best fit; tighter clusters indicate a stronger association.
Tags
CCSS.HSS.ID.B.5
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