Equation of Line of Best Fit (Scatter Plots)
Flashcard
•
Mathematics
•
8th - 9th Grade
•
Hard
+2
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the equation of a line of best fit?
Back
The equation of a line of best fit is a linear equation that best represents the data points in a scatter plot, minimizing the distance between the points and the line.
Tags
CCSS.8.EE.B.5
2.
FLASHCARD QUESTION
Front
What does the slope of a line represent in a scatter plot?
Back
The slope of a line represents the rate of change of the dependent variable (y) with respect to the independent variable (x). It indicates how much y changes for a unit change in x.
Tags
CCSS.8.EE.B.5
3.
FLASHCARD QUESTION
Front
What does the y-intercept represent in the equation of a line?
Back
The y-intercept is the value of y when x is 0. It represents the point where the line crosses the y-axis.
Tags
CCSS.8.EE.B.6
CCSS.8.F.A.3
4.
FLASHCARD QUESTION
Front
How do you determine the equation of a line of best fit from a scatter plot?
Back
To determine the equation, visually assess the trend of the data points, then use statistical methods like least squares regression to calculate the best-fitting line.
Tags
CCSS.8.EE.B.5
5.
FLASHCARD QUESTION
Front
What is a scatter plot?
Back
A scatter plot is a graph that displays values for typically two variables for a set of data, showing the relationship between them.
Tags
CCSS.8.SP.A.1
6.
FLASHCARD QUESTION
Front
What does it mean if the points in a scatter plot are closely clustered around the line of best fit?
Back
If the points are closely clustered around the line, it indicates a strong correlation between the two variables.
7.
FLASHCARD QUESTION
Front
What is the difference between positive and negative correlation in a scatter plot?
Back
Positive correlation means that as one variable increases, the other variable also increases. Negative correlation means that as one variable increases, the other variable decreases.
Tags
CCSS.HSS.ID.B.5
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