Correlation Review
Flashcard
•
Mathematics
•
8th - 10th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is correlation?
Back
Correlation is a statistical measure that describes the extent to which two variables change together. A positive correlation means that as one variable increases, the other also increases, while a negative correlation means that as one variable increases, the other decreases.
2.
FLASHCARD QUESTION
Front
What does a correlation coefficient of 1 indicate?
Back
A correlation coefficient of 1 indicates a perfect positive correlation, meaning that the two variables move in the same direction perfectly.
3.
FLASHCARD QUESTION
Front
What does a correlation coefficient of -1 indicate?
Back
A correlation coefficient of -1 indicates a perfect negative correlation, meaning that the two variables move in opposite directions perfectly.
4.
FLASHCARD QUESTION
Front
What does a correlation coefficient of 0 indicate?
Back
A correlation coefficient of 0 indicates no correlation, meaning that there is no relationship between the two variables.
5.
FLASHCARD QUESTION
Front
What is a scatterplot?
Back
A scatterplot is a graphical representation of two variables, where each point represents an observation. It is used to visualize the relationship between the variables.
6.
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.
7.
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.
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