
Unit 8: Scatterplots and Associations
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
What is a scatterplot?
Back
A scatterplot 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 positive association in a scatterplot indicate?
Back
A positive association indicates that as one variable increases, the other variable also tends to increase.
3.
FLASHCARD QUESTION
Front
What does a negative association in a scatterplot indicate?
Back
A negative association indicates that as one variable increases, the other variable tends to decrease.
4.
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 scatterplot, showing the general direction of the data points.
5.
FLASHCARD QUESTION
Front
What does it mean if a scatterplot shows no relationship?
Back
It means that there is no discernible pattern or correlation between the two variables being plotted.
6.
FLASHCARD QUESTION
Front
How can you identify a linear association in a scatterplot?
Back
A linear association can be identified if the data points roughly form a straight line, either sloping upwards (positive) or downwards (negative).
7.
FLASHCARD QUESTION
Front
What is a non-linear association?
Back
A non-linear association occurs when the relationship between the variables cannot be accurately represented by a straight line.
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