Lines of Best Fit
Flashcard
•
Mathematics
•
8th - 9th 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 trend of the data points.
Tags
CCSS.8.EE.B.5
2.
FLASHCARD QUESTION
Front
How do you determine if a line is a line of best fit?
Back
A line is considered a line of best fit if it minimizes the distance between itself and all the data points, ideally passing through the center of the data distribution.
3.
FLASHCARD QUESTION
Front
What does a positive correlation in a scatter plot 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 in a scatter plot 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 does 'no correlation' mean in a scatter plot?
Back
No correlation means there is no apparent relationship between the two variables; the data points do not show any trend.
Tags
CCSS.HSF-LE.A.1B
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
How can you find the slope of a line of best fit?
Back
The slope can be found by selecting two points on the line of best fit and using the formula: slope (m) = (y2 - y1) / (x2 - x1).
Tags
CCSS.8.EE.B.5
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