Scatter Plots - 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 a line of best fit represent in a scatter plot?
Back
A line of best fit represents the trend in the data, helping to summarize the relationship between the variables and make predictions.
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 positive correlation in a scatter plot?
Back
Positive correlation occurs when an increase in one variable leads to an increase in another variable, resulting in an upward trend in the scatter plot.
5.
FLASHCARD QUESTION
Front
What is negative correlation in a scatter plot?
Back
Negative correlation occurs when an increase in one variable leads to a decrease in another variable, resulting in a downward trend in the scatter plot.
6.
FLASHCARD QUESTION
Front
What does no correlation mean in a scatter plot?
Back
No correlation means there is no discernible relationship between the two variables, and the data points do not show any clear trend.
7.
FLASHCARD QUESTION
Front
How can you use a line of best fit to make predictions?
Back
You can use a line of best fit to predict the value of one variable based on the value of another by finding the corresponding point on the line.
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