Scatterplots-Correlation & Best Fit Lines

Flashcard
•
Mathematics
•
8th Grade
•
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 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.
3.
FLASHCARD QUESTION
Front
What are the types of correlation?
Back
The types of correlation are positive correlation, negative correlation, and no correlation.
4.
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 scatterplot, showing the trend of the data.
5.
FLASHCARD QUESTION
Front
How do you determine the line of best fit?
Back
The line of best fit can be determined using methods such as least squares regression, which minimizes the distance between the data points and the line.
6.
FLASHCARD QUESTION
Front
What does a positive correlation look like on a scatterplot?
Back
A positive correlation on a scatterplot appears as a pattern where, as one variable increases, the other variable also increases.
7.
FLASHCARD QUESTION
Front
What does a negative correlation look like on a scatterplot?
Back
A negative correlation on a scatterplot appears as a pattern where, as one variable increases, the other variable decreases.
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