Scatter Plots & Correlation
Flashcard
•
Mathematics
•
7th - 9th Grade
•
Practice Problem
•
Easy
+3
Standards-aligned
Wayground Content
Used 1+ times
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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 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 correlation mean in statistics?
Back
Correlation refers to a statistical measure that describes the extent to which two variables change together.
Tags
CCSS.HSS.ID.C.9
3.
FLASHCARD QUESTION
Front
What is the correlation coefficient?
Back
The correlation coefficient (r) is a numerical value between -1 and 1 that indicates the strength and direction of a linear relationship between two variables.
Tags
CCSS.HSS.ID.C.8
4.
FLASHCARD QUESTION
Front
What does a correlation coefficient of r=1 indicate?
Back
A correlation coefficient of r=1 indicates a perfect positive linear relationship between two variables.
Tags
CCSS.HSS.ID.B.5
5.
FLASHCARD QUESTION
Front
What does a correlation coefficient of r=-1 indicate?
Back
A correlation coefficient of r=-1 indicates a perfect negative linear relationship between two variables.
Tags
CCSS.HSS.ID.B.5
6.
FLASHCARD QUESTION
Front
What does a correlation coefficient of r=0 indicate?
Back
A correlation coefficient of r=0 indicates no linear relationship between the two variables.
Tags
CCSS.HSS.ID.B.5
7.
FLASHCARD QUESTION
Front
What is a positive correlation?
Back
A positive correlation means that as one variable increases, the other variable also tends to increase.
Tags
CCSS.HSS.ID.B.5
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