Correlation Coefficients
Flashcard
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
What is a correlation coefficient?
Back
A correlation coefficient is a statistical measure that describes the strength and direction of a relationship between two variables. It ranges from -1 to 1.
2.
FLASHCARD QUESTION
Front
What does an r value of 1 indicate?
Back
An r value of 1 indicates a perfect positive correlation, meaning that as one variable increases, the other variable also increases in a perfectly linear manner.
3.
FLASHCARD QUESTION
Front
What does an r value of -1 indicate?
Back
An r value of -1 indicates a perfect negative correlation, meaning that as one variable increases, the other variable decreases in a perfectly linear manner.
4.
FLASHCARD QUESTION
Front
What does an r value of 0 indicate?
Back
An r value of 0 indicates no correlation between the two variables, meaning there is no predictable relationship between them.
5.
FLASHCARD QUESTION
Front
What is the range of correlation coefficients?
Back
The range of correlation coefficients is from -1 to 1.
6.
FLASHCARD QUESTION
Front
What does a positive correlation mean?
Back
A positive correlation means that as one variable increases, the other variable also tends to increase.
7.
FLASHCARD QUESTION
Front
What does a negative correlation mean?
Back
A negative correlation means that as one variable increases, the other variable tends to decrease.
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