What is a scatter plot?
Scatter Plots and Correlation

Flashcard
•
Mathematics
•
10th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A scatter plot is a graph that shows the relationship between two quantitative variables by displaying data points on a two-dimensional axis.
2.
FLASHCARD QUESTION
Front
What does correlation mean in statistics?
Back
Correlation refers to a statistical measure that describes the extent to which two variables change together. It can be positive, negative, or no correlation.
3.
FLASHCARD QUESTION
Front
What is a positive correlation?
Back
A positive correlation occurs when an increase in one variable leads to an increase in another variable.
4.
FLASHCARD QUESTION
Front
What is a negative correlation?
Back
A negative correlation occurs when an increase in one variable leads to a decrease in another variable.
5.
FLASHCARD QUESTION
Front
What does 'no association' mean in a scatter plot?
Back
'No association' means that there is no discernible relationship between the two variables being plotted.
6.
FLASHCARD QUESTION
Front
How do you identify the y-intercept in a linear equation?
Back
The y-intercept is the value of y when x is zero, represented as the constant term in the equation of the line.
7.
FLASHCARD QUESTION
Front
Write the equation for a car's value that depreciates $2000 per year starting from $25,000.
Back
y = -2000x + 25000, where y is the value of the car and x is the number of years.
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