FLASHCARD Topic 10 Scatter Plots and Trend Lines

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Mathematics
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8th Grade
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15 questions
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1.
FLASHCARD QUESTION
Front
What type of correlation does a scatter plot with points that trend upwards have?
Back
Positive correlation
Tags
CCSS.HSS.ID.B.5
2.
FLASHCARD QUESTION
Front
What type of correlation does a scatter plot with points that trend downwards have?
Back
Negative correlation
Tags
CCSS.HSS.ID.B.5
3.
FLASHCARD QUESTION
Front
What does it mean if a scatter plot shows no correlation?
Back
There is no relationship between the variables.
Tags
CCSS.HSS.ID.B.5
4.
FLASHCARD QUESTION
Front
What is a line of best fit?
Back
A line that best represents the data on a scatter plot, used for making predictions.
Tags
CCSS.8.EE.B.5
5.
FLASHCARD QUESTION
Front
How can you determine the strength of a correlation in a scatter plot?
Back
By observing how closely the points cluster around the line of best fit.
Tags
CCSS.HSS.ID.B.5
6.
FLASHCARD QUESTION
Front
What does a slope of -5/7 indicate in a real-world context?
Back
For every 7 units of one variable, the other variable decreases by 5 units.
Tags
CCSS.8.EE.B.5
7.
FLASHCARD QUESTION
Front
What is the purpose of using a scatter plot?
Back
To visually display the relationship between two quantitative variables.
Tags
CCSS.8.SP.A.1
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