Scatterplots - Identify association
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 displays values for typically two variables for a set of data. Each point represents an ordered pair.
2.
FLASHCARD QUESTION
Front
What does it mean if a scatterplot shows a linear association?
Back
A linear association means that the data points can be approximated by a straight line, indicating a consistent relationship between the variables.
3.
FLASHCARD QUESTION
Front
What is a positive correlation in a scatterplot?
Back
A positive correlation occurs when an increase in one variable leads to an increase in the other variable, resulting in an upward trend in the scatterplot.
4.
FLASHCARD QUESTION
Front
What is a negative correlation in a scatterplot?
Back
A negative correlation occurs when an increase in one variable leads to a decrease in the other variable, resulting in a downward trend in the scatterplot.
5.
FLASHCARD QUESTION
Front
What does 'no association' mean in a scatterplot?
Back
No association means that there is no predictable pattern between the two variables; the points are scattered randomly.
6.
FLASHCARD QUESTION
Front
How can you identify a linear and negative association in a scatterplot?
Back
A linear and negative association can be identified when the data points form a straight line that slopes downward from left to right.
7.
FLASHCARD QUESTION
Front
What is the relationship between the number of workers and the time it takes to build a house?
Back
This relationship typically shows a negative correlation; as the number of workers increases, the time to build decreases.
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