Correlation

Flashcard
•
Mathematics
•
12th Grade
•
Hard
+3
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the correlation coefficient based on?
Back
The residuals for each data point, how far away the data points are from the line of best fit, actual y values for each data point - predicted y values on the line of best fit.
Tags
CCSS.HSS.ID.B.6B
2.
FLASHCARD QUESTION
Front
What does a strong, positive correlation indicate about the correlation value?
Back
A strong, positive correlation indicates a correlation value (r) close to 1.
Tags
CCSS.HSS.ID.B.5
3.
FLASHCARD QUESTION
Front
What is a false statement regarding the correlation between the number of storks and the number of births?
Back
If we breed more storks, there will be more humans born.
Tags
CCSS.HSS.ID.C.9
4.
FLASHCARD QUESTION
Front
What correlation value would be appropriate for a scatterplot of 'number of inches of rain in a storm' and '$ amount of home insurance claims'?
Back
r = 0.87.
Tags
CCSS.HSS.ID.C.8
5.
FLASHCARD QUESTION
Front
What correlation value would you expect for 'grams of fat' and 'calories' in salad dressing?
Back
r = 0.89.
Tags
CCSS.HSS.ID.C.8
6.
FLASHCARD QUESTION
Front
Define correlation in statistics.
Back
Correlation is a statistical measure that describes the extent to which two variables change together.
Tags
CCSS.HSS.ID.C.9
7.
FLASHCARD QUESTION
Front
What does a correlation value of 0 indicate?
Back
A correlation value of 0 indicates no linear relationship between the two variables.
Tags
CCSS.HSS.ID.B.5
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