8.5D Scatter Plots and Trend Lines
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
+7
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 axis.
Tags
CCSS.HSF-IF.C.7A
2.
FLASHCARD QUESTION
Front
What does a trend line represent in a scatter plot?
Back
A trend line represents the general direction or pattern of the data points in a scatter plot, indicating the relationship between the variables.
Tags
CCSS.8.SP.A.2
3.
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, minimizing the distance between the line and all data points.
Tags
CCSS.8.EE.B.5
4.
FLASHCARD QUESTION
Front
How do you determine if a line is a line of best fit?
Back
A line is a line of best fit if it passes through the middle of the data points and accurately represents the trend of the data.
5.
FLASHCARD QUESTION
Front
What does it mean if a scatter plot shows a positive correlation?
Back
A positive correlation means that as one variable increases, the other variable also tends to increase.
Tags
CCSS.HSS.ID.B.5
6.
FLASHCARD QUESTION
Front
What does it mean if a scatter plot shows a negative correlation?
Back
A negative correlation means that as one variable increases, the other variable tends to decrease.
Tags
CCSS.HSS.ID.B.5
7.
FLASHCARD QUESTION
Front
What is the purpose of using a trend line in predictions?
Back
A trend line is used in predictions to estimate the value of one variable based on the value of another variable.
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