What is a scatter plot?

Unit 3: Two Variable Data Flashcard

Flashcard
•
Mathematics
•
12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A scatter plot is a graph of plotted points that shows a relationship between two sets of data.
2.
FLASHCARD QUESTION
Front
What does the slope (m) represent in the equation y=mx+b?
Back
The slope (m) represents the rate of change of y with respect to x, indicating how much y changes for a unit change in x.
3.
FLASHCARD QUESTION
Front
How can you interpret the slope of a linear regression equation?
Back
The slope indicates the speed or rate at which one variable changes in relation to another variable.
4.
FLASHCARD QUESTION
Front
What is the purpose of linear regression?
Back
Linear regression is used to model the relationship between two variables by fitting a linear equation to observed data.
5.
FLASHCARD QUESTION
Front
What does the y-intercept (b) represent in the equation y=mx+b?
Back
The y-intercept (b) represents the value of y when x is zero.
6.
FLASHCARD QUESTION
Front
How do you predict values using a linear regression equation?
Back
To predict values, substitute the given x value into the linear regression equation and solve for y.
7.
FLASHCARD QUESTION
Front
What is the relationship between outside temperature and ice cream sales as indicated by the scatter plot?
Back
As the outside temperature increases, the ice cream sales increase.
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