What is a scatter plot?
Unit 3: Scatter Plot Review

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•
Mathematics
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A scatter plot is a graph that shows the relationship between two quantitative variables by displaying data points on a two-dimensional axis.
2.
FLASHCARD QUESTION
Front
What does a trend line represent in a scatter plot?
Back
A trend line represents the general direction or pattern of the data points in a scatter plot, indicating the relationship between the two variables.
3.
FLASHCARD QUESTION
Front
How can you use a trend line to make predictions?
Back
You can use a trend line to predict values by extending the line and finding where it intersects with the value of interest on the axis.
4.
FLASHCARD QUESTION
Front
What is correlation in statistics?
Back
Correlation is a statistical measure that describes the strength and direction of a relationship between two variables.
5.
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.
6.
FLASHCARD QUESTION
Front
What is a negative correlation?
Back
A negative correlation means that as one variable increases, the other variable tends to decrease.
7.
FLASHCARD QUESTION
Front
What does a correlation coefficient of 1 indicate?
Back
A correlation coefficient of 1 indicates a perfect positive correlation between two variables.
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