What is linear correlation?
Linear Correlation and Correlation Coefficient

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•
Mathematics
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Linear correlation refers to a statistical relationship between two variables where a change in one variable is associated with a change in another variable in a linear manner.
2.
FLASHCARD QUESTION
Front
What does a positive correlation indicate?
Back
A positive correlation indicates that as one variable increases, the other variable also tends to increase.
3.
FLASHCARD QUESTION
Front
What does a negative correlation indicate?
Back
A negative correlation indicates that as one variable increases, the other variable tends to decrease.
4.
FLASHCARD QUESTION
Front
What does no correlation mean?
Back
No correlation means that there is no predictable relationship between the two variables; changes in one variable do not affect the other.
5.
FLASHCARD QUESTION
Front
What is the correlation coefficient (r)?
Back
The correlation coefficient (r) is a numerical measure of the strength and direction of a linear relationship between two variables, ranging from -1 to 1.
6.
FLASHCARD QUESTION
Front
What does r = 1 signify?
Back
r = 1 signifies a perfect positive linear correlation between two variables.
7.
FLASHCARD QUESTION
Front
What does r = -1 signify?
Back
r = -1 signifies a perfect negative linear correlation between two variables.
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