Line of Best Fit
Flashcard
•
Mathematics
•
8th - 10th Grade
•
Practice Problem
•
Hard
+5
Standards-aligned
Wayground Content
FREE Resource
Student preview
15 questions
Show all answers
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 the Line of Best Fit on a scatter plot?
Back
You can determine the Line of Best Fit by visually inspecting the scatter plot and drawing a line that minimizes the distance between the line and all the data points.
Tags
CCSS.8.EE.B.5
3.
FLASHCARD QUESTION
Front
What does a positive slope in a Line of Best Fit indicate?
Back
A positive slope indicates that as one variable increases, the other variable also increases.
Tags
CCSS.8.EE.B.5
4.
FLASHCARD QUESTION
Front
What does a negative slope in a Line of Best Fit indicate?
Back
A negative slope indicates that as one variable increases, the other variable decreases.
Tags
CCSS.8.EE.B.5
5.
FLASHCARD QUESTION
Front
What does the correlation coefficient (r) represent?
Back
The correlation coefficient (r) measures the strength and direction of a linear relationship between two quantitative variables.
Tags
CCSS.HSS.ID.C.8
6.
FLASHCARD QUESTION
Front
What does an r value of -0.89 indicate?
Back
An r value of -0.89 indicates a strong negative linear relationship between the two variables.
Tags
CCSS.HSS.ID.B.5
7.
FLASHCARD QUESTION
Front
What is the purpose of using a Line of Best Fit in data analysis?
Back
The purpose is to make predictions about one variable based on the value of another variable.
Tags
CCSS.8.EE.B.5
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