Scatterplots and Trendlines

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 graphical representation of two variables, showing the relationship between them using points on a Cartesian plane.
2.
FLASHCARD QUESTION
Front
What does a trendline represent in a scatterplot?
Back
A trendline represents the general direction or pattern of the data points in a scatterplot, often used to indicate the line of best fit.
3.
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, minimizing the distance between the line and the data points.
4.
FLASHCARD QUESTION
Front
How can you determine if a line is a line of best fit?
Back
A line is a line of best fit if it passes through the middle of the data points, balancing the distances from the points to the line.
5.
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.
6.
FLASHCARD QUESTION
Front
How do you use a trendline to make predictions?
Back
You can use a trendline to make predictions by extending the line and finding the corresponding value of the dependent variable for a given independent variable.
7.
FLASHCARD QUESTION
Front
What is the purpose of using a scatterplot?
Back
The purpose of using a scatterplot is to visually assess the relationship between two quantitative variables.
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