Scatterplots Review Day 2

Flashcard
•
Mathematics
•
8th Grade
•
Hard
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15 questions
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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 correlation in a scatterplot indicate?
Back
A positive correlation indicates that as one variable increases, the other variable also tends to increase.
3.
FLASHCARD QUESTION
Front
What does a negative correlation in a scatterplot indicate?
Back
A negative correlation 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
How can you determine the strength of a correlation from a scatterplot?
Back
The strength of a correlation can be determined by how closely the data points cluster around the line of best fit; tighter clusters indicate a stronger correlation.
6.
FLASHCARD QUESTION
Front
What does it mean if a scatterplot shows no correlation?
Back
No correlation means that there is no apparent relationship between the two variables, and the data points are scattered randomly.
7.
FLASHCARD QUESTION
Front
What is the purpose of a trend line in a scatterplot?
Back
A trend line helps to visualize the overall direction of the data and can be used to make predictions about one variable based on the other.
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