Scatter Plots and Correlation

Flashcard
•
Mathematics
•
10th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a scatter plot?
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.
3.
FLASHCARD QUESTION
Front
What are the types of correlation?
Back
1. Positive Correlation: Both variables increase together. 2. Negative Correlation: One variable increases while the other decreases. 3. No Correlation: No relationship between the variables.
4.
FLASHCARD QUESTION
Front
How do you identify a positive correlation in a scatter plot?
Back
In a scatter plot, a positive correlation is identified when the data points trend upwards from left to right.
5.
FLASHCARD QUESTION
Front
How do you identify a negative correlation in a scatter plot?
Back
In a scatter plot, a negative correlation is identified when the data points trend downwards from left to right.
6.
FLASHCARD QUESTION
Front
What does 'no correlation' mean?
Back
'No correlation' means that there is no discernible relationship between the two variables being analyzed.
7.
FLASHCARD QUESTION
Front
What is the equation of a line in slope-intercept form?
Back
The equation of a line in slope-intercept form is y = mx + b, where m is the slope and b is the y-intercept.
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