Scatterplots & Line of Best Fit
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
+6
Standards-aligned
Wayground Content
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14 questions
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1.
FLASHCARD QUESTION
Front
What is a scatterplot?
Back
A scatterplot is a graph that displays values for typically two variables for a set of data. Each point represents an observation in the dataset.
Tags
CCSS.8.SP.A.1
2.
FLASHCARD QUESTION
Front
What does the line of best fit represent in a scatterplot?
Back
The line of best fit is a straight line that best represents the data on a scatterplot. It shows the general direction (trend) of the data points.
Tags
CCSS.8.SP.A.2
3.
FLASHCARD QUESTION
Front
How do you determine the slope of a line from a scatterplot?
Back
The slope of a line is determined by the change in the y-values divided by the change in the x-values (rise over run) between two points on the line.
Tags
CCSS.8.EE.B.5
4.
FLASHCARD QUESTION
Front
What is a positive association in a scatterplot?
Back
A positive association occurs when, as one variable increases, the other variable also increases, resulting in an upward trend in the scatterplot.
Tags
CCSS.HSS.ID.B.5
5.
FLASHCARD QUESTION
Front
What is a negative association in a scatterplot?
Back
A negative association occurs when, as one variable increases, the other variable decreases, resulting in a downward trend in the scatterplot.
Tags
CCSS.HSS.ID.B.5
6.
FLASHCARD QUESTION
Front
What does no association mean in a scatterplot?
Back
No association means that there is no discernible pattern or relationship between the two variables; the points are scattered randomly.
Tags
CCSS.HSS.ID.B.5
7.
FLASHCARD QUESTION
Front
What is the equation of a line in slope-intercept form?
Back
Tags
CCSS.8.EE.B.6
CCSS.8.F.A.3
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