scatter plots and line of best fit
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
Wayground Content
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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 variables by displaying data points on a two-dimensional axis.
2.
FLASHCARD QUESTION
Front
What does the line of best fit represent in a scatter plot?
Back
The line of best fit represents the trend of the data points, showing the overall direction of the relationship between the two variables.
3.
FLASHCARD QUESTION
Front
How do you determine the slope of a line of best fit?
Back
The slope of a line of best fit is determined by the change in the y-values divided by the change in the x-values (rise over run).
4.
FLASHCARD QUESTION
Front
What is a positive correlation in a scatter plot?
Back
A positive correlation occurs when an increase in one variable corresponds to an increase in another variable, resulting in an upward trend.
5.
FLASHCARD QUESTION
Front
What is a negative correlation in a scatter plot?
Back
A negative correlation occurs when an increase in one variable corresponds to a decrease in another variable, resulting in a downward trend.
6.
FLASHCARD QUESTION
Front
What does it mean if a scatter plot shows no correlation?
Back
No correlation means that there is no discernible relationship between the two variables, and the data points are scattered randomly.
7.
FLASHCARD QUESTION
Front
What is a linear association in a scatter plot?
Back
A linear association indicates that the data points can be approximated by a straight line, showing a consistent relationship.
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