Scatter Plots and Trend 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 graphical representation of two variables, showing the relationship between them using points on a Cartesian plane.
Tags
CCSS.8.SP.A.1
2.
FLASHCARD QUESTION
Front
What does a negative correlation indicate in a scatter plot?
Back
A negative correlation indicates that as one variable increases, the other variable tends to decrease.
Tags
CCSS.HSS.ID.B.5
3.
FLASHCARD QUESTION
Front
What does a positive correlation indicate in a scatter plot?
Back
A positive correlation indicates that as one variable increases, the other variable also tends to increase.
Tags
CCSS.HSS.ID.B.5
4.
FLASHCARD QUESTION
Front
How can you determine the trend line in a scatter plot?
Back
The trend line can be determined by plotting the data points and drawing a line that best fits the overall direction of the points.
5.
FLASHCARD QUESTION
Front
What is the purpose of a trend line in a scatter plot?
Back
The purpose of a trend line is to summarize the relationship between the variables and to make predictions based on the data.
6.
FLASHCARD QUESTION
Front
How do you interpret the slope of a trend line?
Back
The slope of a trend line indicates the rate of change between the two variables; a steeper slope means a stronger relationship.
Tags
CCSS.8.EE.B.5
7.
FLASHCARD QUESTION
Front
What is the equation of a trend line in slope-intercept form?
Back
The equation of a trend 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.5
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