Chapter 2 Review #2

Flashcard
•
Mathematics
•
8th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a negative correlation?
Back
A negative correlation is a relationship between two variables in which one variable increases as the other decreases.
2.
FLASHCARD QUESTION
Front
What is a positive correlation?
Back
A positive correlation is a relationship between two variables in which both variables increase or decrease together.
3.
FLASHCARD QUESTION
Front
What is a scatter plot?
Back
A scatter plot is a graph that displays values for typically two variables for a set of data, showing the relationship between them.
4.
FLASHCARD QUESTION
Front
What does a line of best fit represent?
Back
A line of best fit is a straight line that best represents the data on a scatter plot, used to make predictions.
5.
FLASHCARD QUESTION
Front
How do you interpret a scatter plot with a positive correlation?
Back
In a scatter plot with a positive correlation, as one variable increases, the other variable also tends to increase.
6.
FLASHCARD QUESTION
Front
How do you interpret a scatter plot with a negative correlation?
Back
In a scatter plot with a negative correlation, as one variable increases, the other variable tends to decrease.
7.
FLASHCARD QUESTION
Front
What is relative frequency?
Back
Relative frequency is the ratio of the number of times an event occurs to the total number of trials or observations.
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