Scatterplot and Line of Best Fit
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
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 variables by displaying data points on a two-dimensional grid.
2.
FLASHCARD QUESTION
Front
What does a line of best fit represent in a scatterplot?
Back
A line of best fit represents the trend of the data points in a scatterplot, helping to visualize the relationship between the variables.
3.
FLASHCARD QUESTION
Front
How can you determine the number of hours worked if Joe earned $400 from a scatterplot?
Back
You can find the corresponding point on the scatterplot for $400 and read the number of hours from the x-axis.
4.
FLASHCARD QUESTION
Front
What is the purpose of using a line of best fit?
Back
The purpose of using a line of best fit is to make predictions about one variable based on the value of another variable.
5.
FLASHCARD QUESTION
Front
If a student has 6 absences, how can you estimate their final exam score using a scatterplot?
Back
You can locate the point for 6 absences on the scatterplot and find the corresponding score on the y-axis.
6.
FLASHCARD QUESTION
Front
What does the slope of a line of best fit indicate?
Back
The slope of a line of best fit indicates the rate of change between the two variables in the scatterplot.
7.
FLASHCARD QUESTION
Front
What is the significance of the y-intercept in a line of best fit?
Back
The y-intercept is the value of the dependent variable when the independent variable is zero, providing a starting point for the trend.
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