Making Predictions from Scatter Plots
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
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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 quantitative variables by displaying data points on a two-dimensional axis.
2.
FLASHCARD QUESTION
Front
What does a trend line represent in a scatter plot?
Back
A trend line is a straight line that best represents the data points in a scatter plot, indicating the general direction of the data.
3.
FLASHCARD QUESTION
Front
How can you determine if a trend line is a good fit for a scatter plot?
Back
A good trend line closely follows the pattern of the data points, minimizing the distance between the points and the line.
4.
FLASHCARD QUESTION
Front
What does it mean if the points in a scatter plot are widely spread out?
Back
Widely spread out points indicate a weak correlation between the two variables, suggesting that changes in one variable do not predict changes in the other.
5.
FLASHCARD QUESTION
Front
What is correlation in the context of scatter plots?
Back
Correlation refers to the strength and direction of a relationship between two variables, which can be positive, negative, or none.
6.
FLASHCARD QUESTION
Front
What does a positive correlation look like in a scatter plot?
Back
A positive correlation is indicated by a trend line that slopes upwards from left to right, meaning as one variable increases, the other also increases.
7.
FLASHCARD QUESTION
Front
What does a negative correlation look like in a scatter plot?
Back
A negative correlation is indicated by a trend line that slopes downwards from left to right, meaning as one variable increases, the other decreases.
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