Correlation Coefficient

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the correlation coefficient (r)?
Back
A statistical measure that describes the strength and direction of a relationship between two variables.
2.
FLASHCARD QUESTION
Front
What does a correlation coefficient of r = -0.89 indicate?
Back
Strong negative correlation.
3.
FLASHCARD QUESTION
Front
What does a correlation coefficient of r = 0.3 indicate?
Back
Weak positive correlation.
4.
FLASHCARD QUESTION
Front
What type of association does a scatter plot with no clear pattern represent?
Back
No association.
5.
FLASHCARD QUESTION
Front
For which type of functions is the correlation coefficient (r) useful?
Back
Linear functions.
6.
FLASHCARD QUESTION
Front
What does a correlation coefficient of r = 1 signify?
Back
Perfect positive correlation.
7.
FLASHCARD QUESTION
Front
What does a correlation coefficient of r = -1 signify?
Back
Perfect negative correlation.
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