Scatterplots and trend lines review
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
+6
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 axis.
Tags
CCSS.8.SP.A.1
2.
FLASHCARD QUESTION
Front
What does a trend line represent in a scatterplot?
Back
A trend line represents the general direction or pattern of the data points in a scatterplot, indicating the relationship between the variables.
3.
FLASHCARD QUESTION
Front
What is a positive correlation?
Back
A positive correlation occurs when an increase in one variable leads to an increase in another variable.
Tags
CCSS.HSS.ID.B.5
4.
FLASHCARD QUESTION
Front
What is a negative correlation?
Back
A negative correlation occurs when an increase in one variable leads to a decrease in another variable.
Tags
CCSS.HSS.ID.B.5
5.
FLASHCARD QUESTION
Front
What does 'no correlation' mean?
Back
No correlation means there is no discernible relationship between the two variables; changes in one do not affect the other.
Tags
CCSS.HSS.ID.B.5
6.
FLASHCARD QUESTION
Front
How do you determine the line of best fit?
Back
The line of best fit is determined by finding a line that best represents the data points in a scatterplot, minimizing the distance between the line and all points.
7.
FLASHCARD QUESTION
Front
What is the purpose of using a trend line in predictions?
Back
A trend line helps make predictions about one variable based on the value of another variable by extrapolating the relationship shown in the scatterplot.
Tags
CCSS.HSF-LE.A.1B
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