Scatterplots and Lines of Best Fit
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
+2
Standards-aligned
Wayground Content
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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 plane.
Tags
CCSS.8.SP.A.1
2.
FLASHCARD QUESTION
Front
What does the slope of a line represent in a scatterplot?
Back
The slope of a line in a scatterplot represents the rate of change between the two variables. A positive slope indicates a positive relationship, while a negative slope indicates a negative relationship.
Tags
CCSS.8.EE.B.5
3.
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 general direction of the data points.
Tags
CCSS.8.EE.B.5
4.
FLASHCARD QUESTION
Front
How do you determine the slope of a line given two points (x1, y1) and (x2, y2)?
Back
The slope (m) can be calculated using the formula: m = (y2 - y1) / (x2 - x1).
Tags
CCSS.8.EE.B.5
5.
FLASHCARD QUESTION
Front
What does a positive correlation look like in a scatterplot?
Back
A positive correlation in a scatterplot appears as a pattern where data points trend upwards from left to right.
Tags
CCSS.HSS.ID.B.5
6.
FLASHCARD QUESTION
Front
What does a negative correlation look like in a scatterplot?
Back
A negative correlation in a scatterplot appears as a pattern where data points trend downwards from left to right.
Tags
CCSS.HSS.ID.B.5
7.
FLASHCARD QUESTION
Front
What does no correlation mean in a scatterplot?
Back
No correlation means there is no discernible pattern in the data points; they are scattered randomly.
Tags
CCSS.HSS.ID.B.5
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