Lines of Best Fit
Flashcard
•
Mathematics
•
8th Grade
•
Easy
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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 overall trend of the data points.
Tags
CCSS.8.EE.B.5
2.
FLASHCARD QUESTION
Front
How do you determine a good Line of Best Fit?
Back
A good Line of Best Fit minimizes the distance between the line and all the data points, ideally passing through or near most of them.
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 a positive correlation between the two variables, meaning as one variable increases, the other also tends to increase.
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 a negative correlation between the two variables, meaning as one variable increases, the other tends to decrease.
Tags
CCSS.8.EE.B.5
5.
FLASHCARD QUESTION
Front
What is an outlier in a data set?
Back
An outlier is a data point that differs significantly from other observations, which can affect the accuracy of the Line of Best Fit.
6.
FLASHCARD QUESTION
Front
Why might a trend line not be a good fit for the data?
Back
A trend line may not be a good fit if it does not pass through most data points, if there are outliers, or if the data does not show a clear trend.
7.
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 how much one variable is affected by another.
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