Line of Best Fit

Flashcard
•
Mathematics
•
8th Grade
•
Hard
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15 questions
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1.
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 scatter plot, showing the trend of the data points.
2.
FLASHCARD QUESTION
Front
How do you determine the equation of a line of best fit?
Back
The equation can be determined using statistical methods such as linear regression, which calculates the slope and y-intercept based on the data points.
3.
FLASHCARD QUESTION
Front
What does the slope of a line of best fit represent?
Back
The slope indicates the rate of change between the two variables represented in the scatter plot.
4.
FLASHCARD QUESTION
Front
What does the y-intercept of a line of best fit represent?
Back
The y-intercept is the value of y when x is zero, indicating the starting point of the relationship.
5.
FLASHCARD QUESTION
Front
How can you use a line of best fit to make predictions?
Back
You can use the equation of the line to estimate the value of one variable based on the value of another.
6.
FLASHCARD QUESTION
Front
What is the purpose of a scatter plot?
Back
A scatter plot visually represents the relationship between two quantitative variables.
7.
FLASHCARD QUESTION
Front
What does it mean if there is no line of best fit for a scatter plot?
Back
It means that there is no clear trend or relationship between the variables, and the data points are scattered randomly.
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