scatter plots and trend lines
Flashcard
•
Mathematics
•
8th Grade
•
Hard
+7
Standards-aligned
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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 graphical representation of two variables, showing the relationship between them using points on a Cartesian plane.
Tags
CCSS.8.SP.A.1
2.
FLASHCARD QUESTION
Front
What does a trend line represent in a scatter plot?
Back
A trend line is a straight line that best represents the data points in a scatter plot, indicating the general direction of the data.
Tags
CCSS.8.EE.B.5
3.
FLASHCARD QUESTION
Front
How do you calculate the slope of a line?
Back
The slope of a line is calculated by the formula (change in y) / (change in x), often represented as 'm' in the equation of a line.
Tags
CCSS.8.EE.B.5
4.
FLASHCARD QUESTION
Front
What does a positive slope indicate in a scatter plot?
Back
A positive slope indicates that as one variable increases, the other variable also increases, showing a direct relationship.
Tags
CCSS.8.EE.B.5
5.
FLASHCARD QUESTION
Front
What does a negative slope indicate in a scatter plot?
Back
A negative slope indicates that as one variable increases, the other variable decreases, showing an inverse relationship.
Tags
CCSS.8.EE.B.6
6.
FLASHCARD QUESTION
Front
What does it mean if there is no association in a scatter plot?
Back
No association means that there is no discernible relationship between the two variables; the data points do not show any pattern.
Tags
CCSS.HSS.ID.B.5
7.
FLASHCARD QUESTION
Front
What is the significance of the slope in real-world applications?
Back
The slope can represent rates of change in real-world contexts, such as speed, efficiency, or other relationships between variables.
Tags
CCSS.8.EE.B.5
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