Line of Best Fit
Flashcard
•
Mathematics
•
6th - 8th Grade
•
Hard
+4
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a line of best fit?
Back
A line of best fit is a straight line that best represents the data on a scatter plot, showing the general direction of the data points.
Tags
CCSS.8.EE.B.5
2.
FLASHCARD QUESTION
Front
What does a positive association in a scatter plot indicate?
Back
A positive association indicates that as one variable increases, the other variable also tends to increase.
Tags
CCSS.HSS.ID.B.5
3.
FLASHCARD QUESTION
Front
What does a negative association in a scatter plot indicate?
Back
A negative association indicates that as one variable increases, the other variable tends to decrease.
Tags
CCSS.HSF-LE.A.1B
4.
FLASHCARD QUESTION
Front
What does it mean if there is no association in a scatter plot?
Back
No association means that there is no clear relationship between the two variables; changes in one do not affect the other.
Tags
CCSS.HSS.ID.B.5
5.
FLASHCARD QUESTION
Front
How do you determine the line of best fit visually?
Back
The line of best fit should be drawn so that it has approximately equal numbers of points above and below it, minimizing the distance from all points.
6.
FLASHCARD QUESTION
Front
What is the equation of a line in slope-intercept form?
Back
The equation of a line in slope-intercept form is y = mx + b, where m is the slope and b is the y-intercept.
Tags
CCSS.8.EE.B.6
CCSS.8.F.A.3
7.
FLASHCARD QUESTION
Front
What does the slope of a line of best fit represent?
Back
The slope represents the rate of change between the two variables; it shows how much one variable changes for a unit change in the other.
Tags
CCSS.8.EE.B.5
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