Regression
Flashcard
•
Mathematics
•
11th Grade
•
Hard
+2
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is regression?
Back
Regression is a statistical method used to determine the relationship between a dependent variable and one or more independent variables.
2.
FLASHCARD QUESTION
Front
What does a strong positive correlation indicate?
Back
A strong positive correlation indicates that as one variable increases, the other variable also tends to increase.
Tags
CCSS.HSS.ID.B.5
3.
FLASHCARD QUESTION
Front
What is a correlation coefficient?
Back
A correlation coefficient is a numerical measure of the strength and direction of a relationship between two variables, ranging from -1 to 1.
Tags
CCSS.HSS.ID.C.8
4.
FLASHCARD QUESTION
Front
What does a correlation coefficient of 0 indicate?
Back
A correlation coefficient of 0 indicates no correlation between the two variables.
Tags
CCSS.HSS.ID.B.5
5.
FLASHCARD QUESTION
Front
What is the line of best fit?
Back
The line of best fit is a straight line that best represents the data on a scatter plot, minimizing the distance between the line and all data points.
Tags
CCSS.8.EE.B.5
6.
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
7.
FLASHCARD QUESTION
Front
What is the formula for the correlation coefficient (r)?
Back
The formula for the correlation coefficient (r) is r = (nΣxy - ΣxΣy) / √[(nΣx² - (Σx)²)(nΣy² - (Σy)²)], where n is the number of data points.
Tags
CCSS.HSS.ID.C.8
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