Correlation Coefficients and Relationships

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Easy
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1.
FLASHCARD QUESTION
Front
What is a correlation coefficient?
Back
A statistical measure that describes the strength and direction of a relationship between two variables.
2.
FLASHCARD QUESTION
Front
What does a positive correlation indicate?
Back
As one variable increases, the other variable also increases.
3.
FLASHCARD QUESTION
Front
What does a negative correlation indicate?
Back
As one variable increases, the other variable decreases.
4.
FLASHCARD QUESTION
Front
What does a correlation coefficient of 0 indicate?
Back
No correlation; there is no predictable relationship between the two variables.
5.
FLASHCARD QUESTION
Front
What is the range of correlation coefficients?
Back
From -1 to +1.
6.
FLASHCARD QUESTION
Front
What does a correlation coefficient of -1 indicate?
Back
A perfect negative correlation; the variables move in exactly opposite directions.
7.
FLASHCARD QUESTION
Front
What does a correlation coefficient of +1 indicate?
Back
A perfect positive correlation; the variables move in exactly the same direction.
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