Correlation Coefficient

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•
Mathematics
•
9th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the range of the correlation coefficient (r)?
Back
-1 ≤ r ≤ 1
2.
FLASHCARD QUESTION
Front
What does a correlation coefficient close to -1 indicate?
Back
A strong negative correlation between two variables.
3.
FLASHCARD QUESTION
Front
What type of association does a positive correlation indicate?
Back
As one variable increases, the other variable also increases.
4.
FLASHCARD QUESTION
Front
What type of association does a negative correlation indicate?
Back
As one variable increases, the other variable decreases.
5.
FLASHCARD QUESTION
Front
What is the correlation coefficient for no correlation?
Back
r = 0
6.
FLASHCARD QUESTION
Front
What type of functions is the correlation coefficient r useful for?
Back
Linear functions.
7.
FLASHCARD QUESTION
Front
What does a correlation coefficient of 0.8 indicate?
Back
A strong positive correlation.
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