Scatterplots and Line of Best Fit
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
+5
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a scatterplot?
Back
A scatterplot is a graph that shows the relationship between two variables by displaying data points on a two-dimensional plane.
Tags
CCSS.8.SP.A.1
2.
FLASHCARD QUESTION
Front
What does the line of best fit represent in a scatterplot?
Back
The line of best fit represents the trend of the data points in a scatterplot, showing the general direction in which the data is moving.
Tags
CCSS.8.SP.A.2
3.
FLASHCARD QUESTION
Front
How do you calculate the slope of a line given two points (x1, y1) and (x2, y2)?
Back
The slope (m) is calculated using the formula m = (y2 - y1) / (x2 - x1).
Tags
CCSS.8.EE.B.5
4.
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
5.
FLASHCARD QUESTION
Front
What does a negative slope indicate about a line?
Back
A negative slope indicates that as one variable increases, the other variable decreases.
Tags
CCSS.8.EE.B.5
6.
FLASHCARD QUESTION
Front
What is the purpose of using a line of best fit?
Back
The purpose of using a line of best fit is to make predictions about one variable based on the value of another variable.
Tags
CCSS.8.EE.B.5
7.
FLASHCARD QUESTION
Front
How can you use a line of best fit to make predictions?
Back
You can use the equation of the line of best fit to substitute values and predict the corresponding output.
Tags
CCSS.HSF.IF.A.2
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