Scatter Plots/Best Fit Lines
Flashcard
•
Mathematics
•
8th Grade
•
Hard
+2
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a scatter plot?
Back
A scatter plot is a graph that shows the relationship between two variables by displaying data points on a two-dimensional grid.
Tags
CCSS.8.SP.A.1
2.
FLASHCARD QUESTION
Front
What does a line of best fit represent in a scatter plot?
Back
A line of best fit represents the trend of the data points in a scatter plot, helping to make predictions about one variable based on the other.
Tags
CCSS.8.EE.B.5
3.
FLASHCARD QUESTION
Front
How do you determine the slope of a line in slope-intercept form?
Back
The slope is determined by the coefficient of the x variable in the equation y = mx + b, where m is the slope.
Tags
CCSS.8.EE.B.6
CCSS.8.F.A.3
4.
FLASHCARD QUESTION
Front
What is a positive correlation in a scatter plot?
Back
A positive correlation occurs when both variables increase together, resulting in an upward trend in the scatter plot.
Tags
CCSS.HSS.ID.B.5
5.
FLASHCARD QUESTION
Front
What is a negative correlation in a scatter plot?
Back
A negative correlation occurs when one variable increases while the other decreases, resulting in a downward trend in the scatter plot.
Tags
CCSS.HSS.ID.B.5
6.
FLASHCARD QUESTION
Front
What does it mean if there is no correlation between two variables?
Back
No correlation means that there is no discernible relationship between the two variables; changes in one do not affect the other.
Tags
CCSS.HSS.ID.B.5
7.
FLASHCARD QUESTION
Front
What is the purpose of using a trend line in a scatter plot?
Back
The purpose of a trend line is to summarize the data and help make predictions about future values.
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