Correlation

Flashcard
•
Mathematics
•
8th - 9th Grade
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is correlation?
Back
Correlation is a statistical measure that describes the extent to which two variables change together. It indicates the strength and direction of a linear relationship between the variables.
Tags
CCSS.HSS.ID.C.9
2.
FLASHCARD QUESTION
Front
What are the types of correlation?
Back
The types of correlation include positive correlation, negative correlation, and no correlation (zero correlation).
Tags
CCSS.HSS.ID.B.5
3.
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.
Tags
CCSS.HSS.ID.B.5
4.
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.
Tags
CCSS.HSS.ID.B.5
5.
FLASHCARD QUESTION
Front
What is a zero correlation?
Back
A zero correlation indicates that there is no relationship between the changes in the two variables.
Tags
CCSS.HSS.ID.B.5
6.
FLASHCARD QUESTION
Front
What is the range of correlation coefficients?
Back
The correlation coefficient ranges from -1 to +1, where -1 indicates a perfect negative correlation, +1 indicates a perfect positive correlation, and 0 indicates no correlation.
Tags
CCSS.HSS.ID.B.5
7.
FLASHCARD QUESTION
Front
What is a strong correlation?
Back
A strong correlation is indicated by a correlation coefficient close to -1 or +1, suggesting a strong linear relationship between the two variables.
Tags
CCSS.HSS.ID.B.5
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