Scatterplots
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
+5
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 grid.
Tags
CCSS.8.SP.A.1
2.
FLASHCARD QUESTION
Front
How do you interpret a scatterplot?
Back
To interpret a scatterplot, look for patterns, trends, and correlations between the variables. A positive correlation means as one variable increases, the other does too; a negative correlation means as one variable increases, the other decreases.
Tags
CCSS.8.SP.A.1
3.
FLASHCARD QUESTION
Front
What does a strong correlation in a scatterplot indicate?
Back
A strong correlation indicates that the data points are closely clustered around a line, suggesting a strong relationship between the two variables.
Tags
CCSS.HSS.ID.B.5
4.
FLASHCARD QUESTION
Front
What does a weak correlation in a scatterplot indicate?
Back
A weak correlation indicates that the data points are more spread out and do not follow a clear trend, suggesting a weak relationship between the two variables.
Tags
CCSS.HSS.ID.B.5
5.
FLASHCARD QUESTION
Front
What is the purpose of a trend line in a scatterplot?
Back
A trend line is used to summarize the relationship between the variables and can help predict values.
Tags
CCSS.8.SP.A.2
6.
FLASHCARD QUESTION
Front
What does it mean if a scatterplot shows no correlation?
Back
No correlation means there is no apparent relationship between the two variables; the data points are scattered randomly.
Tags
CCSS.HSS.ID.B.5
7.
FLASHCARD QUESTION
Front
How can you determine the slope of a trend line in a scatterplot?
Back
The slope of a trend line is determined by the change in the y-values divided by the change in the x-values (rise over run).
Tags
CCSS.8.EE.B.5
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